# Peasy > Easy peasy, done. Peasy provides free browser-based tools at https://peasytools.com/. All processing happens client-side — files never leave your device. ## Tools (251) - [Merge PDF](https://peasytools.com/pdf/merge-pdf/) — Combine multiple PDF files into one document. - [Split PDF](https://peasytools.com/pdf/split-pdf/) — Extract specific pages from a PDF file. - [Compress PDF](https://peasytools.com/pdf/compress-pdf/) — Reduce PDF file size by optimizing internal structure. - [Rotate PDF](https://peasytools.com/pdf/rotate-pdf/) — Rotate pages in a PDF by 90, 180, or 270 degrees. - [Add Page Numbers](https://peasytools.com/pdf/add-page-numbers/) — Add page numbers to every page of a PDF. - [PDF to JPG](https://peasytools.com/pdf/pdf-to-jpg/) — Convert PDF pages to high-quality JPEG images. - [Watermark PDF](https://peasytools.com/pdf/watermark-pdf/) — Add a text watermark to PDF pages. - [Reorder PDF Pages](https://peasytools.com/pdf/reorder-pdf/) — Rearrange pages in a PDF to any order. - [Flatten PDF](https://peasytools.com/pdf/flatten-pdf/) — Flatten form fields into static PDF content. - [Edit PDF Metadata](https://peasytools.com/pdf/edit-pdf-metadata/) — Edit or remove PDF document properties. - [Sign PDF](https://peasytools.com/pdf/sign-pdf/) — Add a text signature stamp to a PDF. - [JPG to PDF](https://peasytools.com/pdf/jpg-to-pdf/) — Convert images to a PDF document. - [Extract Text from PDF](https://peasytools.com/pdf/extract-text-from-pdf/) — Extract all text content from a PDF document. - [Delete PDF Pages](https://peasytools.com/pdf/delete-pdf-pages/) — Remove unwanted pages from a PDF document. - [Reverse PDF](https://peasytools.com/pdf/reverse-pdf/) — Reverse the page order of a PDF document. - [Extract PDF Pages](https://peasytools.com/pdf/extract-pdf-pages/) — Extract specific pages into a new PDF. - [Extract Odd/Even Pages](https://peasytools.com/pdf/odd-even-pdf/) — Extract only odd or even numbered pages. - [Resize PDF Pages](https://peasytools.com/pdf/resize-pdf/) — Change PDF page dimensions to standard sizes. - [Crop PDF](https://peasytools.com/pdf/crop-pdf/) — Crop margins from PDF pages. - [Insert Blank Pages](https://peasytools.com/pdf/insert-blank-pages/) — Add blank pages at any position in a PDF. - [Duplicate PDF Pages](https://peasytools.com/pdf/duplicate-pdf-pages/) — Create copies of specific pages within a PDF. - [PDF to PNG](https://peasytools.com/pdf/pdf-to-png/) — Convert PDF pages to high-quality PNG images. - [Add Header & Footer](https://peasytools.com/pdf/pdf-header-footer/) — Add custom header and footer text to PDF pages. - [Add Text to PDF](https://peasytools.com/pdf/add-text-to-pdf/) — Add text annotations at any position on PDF pages. - [Add Image to PDF](https://peasytools.com/pdf/add-image-to-pdf/) — Stamp or overlay an image on PDF pages. - [Password Generator](https://peasytools.com/safe/safe-password-generator/) — Generate strong, random passwords - [Password Strength Checker](https://peasytools.com/safe/password-strength/) — Analyze password strength and vulnerability - [Hash Generator](https://peasytools.com/safe/safe-hash-generator/) — Generate SHA and other cryptographic hashes - [HMAC Generator](https://peasytools.com/safe/hmac-generator/) — Generate keyed-hash message authentication codes - [AES Encrypt / Decrypt](https://peasytools.com/safe/aes-encrypt/) — Encrypt and decrypt text with AES-256-GCM - [Random String Generator](https://peasytools.com/safe/random-string/) — Generate cryptographically secure random strings - [CSP Header Generator](https://peasytools.com/safe/csp-generator/) — Build Content Security Policy headers - [Text Redactor](https://peasytools.com/safe/text-redactor/) — Redact sensitive information from text - [CORS Header Generator](https://peasytools.com/safe/cors-generator/) — Build Cross-Origin Resource Sharing configurations - [SRI Hash Generator](https://peasytools.com/safe/sri-generator/) — Generate Subresource Integrity hashes - [Base64 Encoder / Decoder](https://peasytools.com/safe/base64-encoder-decoder/) — Encode and decode Base64 with URL-safe variants - [JWT Decoder](https://peasytools.com/safe/jwt-decoder/) — Decode and inspect JSON Web Tokens - [UUID Generator](https://peasytools.com/safe/uuid-generator/) — Generate and validate UUIDs (v4 random) - [TOTP Configurator](https://peasytools.com/safe/totp-configurator/) — - [SSL Certificate Decoder](https://peasytools.com/safe/ssl-certificate-decoder/) — - [Social Character Counter](https://peasytools.com/social/social-char-counter/) — Count characters against platform limits - [Hashtag Extractor & Generator](https://peasytools.com/social/social-hashtag-tool/) — Extract or generate hashtags from text - [Social Mention Extractor](https://peasytools.com/social/social-mention-extractor/) — Extract @mentions, #hashtags, URLs, and emails - [Thread Splitter](https://peasytools.com/social/social-thread-splitter/) — Split long text into thread-sized posts - [Emoji Remover & Extractor](https://peasytools.com/social/social-emoji-tool/) — Strip, extract, or replace emojis in text - [Bio Formatter](https://peasytools.com/social/social-bio-formatter/) — Format social media bios with separators - [CTA Generator](https://peasytools.com/social/social-cta-generator/) — Generate call-to-action phrases for social posts - [Engagement Analyzer](https://peasytools.com/social/social-engagement-analyzer/) — Score your post for engagement potential - [Post Preview](https://peasytools.com/social/social-post-preview/) — Preview how your post looks across all social platforms - [UTM Link Builder](https://peasytools.com/social/social-utm-builder/) — Build campaign tracking URLs with UTM parameters - [Handle Checker](https://peasytools.com/social/social-handle-checker/) — Check username format across 11 social platforms - [Image Size Guide](https://peasytools.com/social/social-image-size-guide/) — Social media image dimensions for every platform - [Best Posting Times](https://peasytools.com/social/social-best-posting-times/) — Optimal posting schedule by platform and day - [Thread Splitter](https://peasytools.com/social/thread-splitter/) — - [Caption & Alt Text Formatter](https://peasytools.com/social/caption-formatter/) — - [Fake Data Generator](https://peasytools.com/gen/gen-fake-data/) — - [Mock JSON Generator](https://peasytools.com/gen/gen-mock-json/) — - [Username Generator](https://peasytools.com/gen/gen-username/) — - [Color Palette Generator](https://peasytools.com/gen/gen-color-palette/) — - [Lorem Markup Generator](https://peasytools.com/gen/gen-lorem-markup/) — - [Random Number Generator](https://peasytools.com/gen/gen-number/) — - [CSV Data Generator](https://peasytools.com/gen/gen-csv-data/) — - [Random Date Generator](https://peasytools.com/gen/gen-random-dates/) — - [Email Address Generator](https://peasytools.com/gen/gen-email-addresses/) — - [Avatar Generator](https://peasytools.com/gen/gen-avatar-svg/) — - [Cron Expression Builder](https://peasytools.com/gen/gen-cron-expression/) — Build and parse cron schedule expressions - [API Key Generator](https://peasytools.com/gen/gen-api-key/) — Generate secure API keys and tokens in various formats - [Short ID Generator](https://peasytools.com/gen/gen-short-id/) — Generate nanoid-style short unique identifiers - [Regex Tester](https://peasytools.com/gen/regex-tester/) — Test regular expressions with real-time matching - [URL Slug Generator](https://peasytools.com/gen/url-slug-generator/) — - [CSS Minifier](https://peasytools.com/css/css-minify/) — - [CSS Beautifier](https://peasytools.com/css/css-beautify/) — - [CSS Gradient Generator](https://peasytools.com/css/css-gradient/) — - [CSS Box Shadow Generator](https://peasytools.com/css/css-shadow/) — - [CSS Flexbox Generator](https://peasytools.com/css/css-flexbox/) — - [CSS Grid Generator](https://peasytools.com/css/css-grid/) — - [CSS Animation Generator](https://peasytools.com/css/css-animation/) — - [CSS Border Radius Generator](https://peasytools.com/css/css-border-radius/) — - [CSS Text Shadow Generator](https://peasytools.com/css/css-text-shadow/) — - [Compress Image](https://peasytools.com/image/compress-image/) — Reduce image file size while keeping quality. - [CSS Transform Generator](https://peasytools.com/css/css-transform/) — - [CSS Unit Converter](https://peasytools.com/css/css-unit-converter/) — Convert between px, rem, em, %, vw, vh, pt, cm, mm, and in - [CSS Color Converter](https://peasytools.com/css/css-color-converter/) — Convert colors between hex, RGB, HSL, HWB, and named CSS colors - [Media Query Generator](https://peasytools.com/css/css-media-query-generator/) — Generate responsive CSS media queries with device presets - [CSS Filter Effects](https://peasytools.com/css/css-filter-effects/) — - [CSS Clip-Path Generator](https://peasytools.com/css/css-clip-path/) — - [Resize Image](https://peasytools.com/image/resize-image/) — Resize images by dimensions, percentage, or longest side. - [Crop Image](https://peasytools.com/image/crop-image/) — Crop images to preset aspect ratios or custom dimensions. - [Rotate Image](https://peasytools.com/image/rotate-image/) — Rotate images 90°, 180°, or 270° clockwise. - [Flip Image](https://peasytools.com/image/flip-image/) — Flip images horizontally (mirror) or vertically. - [Convert Image](https://peasytools.com/image/convert-image/) — Convert images between JPEG, PNG, and WebP formats. - [Watermark Image](https://peasytools.com/image/watermark-image/) — Add text watermarks to protect your images. - [SVG to PNG](https://peasytools.com/image/svg-to-png/) — Convert SVG vector graphics to PNG raster images. - [Image to Base64](https://peasytools.com/image/image-to-base64/) — Encode images as Base64 text for embedding in code. - [Round Corners](https://peasytools.com/image/round-corners/) — Add rounded corners to images with transparent backgrounds. - [Add Border](https://peasytools.com/image/add-border/) — Add a solid color border or frame around images. - [Image Filters](https://peasytools.com/image/image-filters/) — Apply visual filters like grayscale, sepia, and vintage. - [Adjust Image](https://peasytools.com/image/adjust-image/) — Fine-tune brightness, contrast, saturation, and hue. - [Blur Image](https://peasytools.com/image/blur-image/) — Apply Gaussian blur to images with adjustable radius. - [Sharpen Image](https://peasytools.com/image/sharpen-image/) — Sharpen images using an unsharp mask convolution kernel. - [Make Square](https://peasytools.com/image/make-square/) — Pad images to a perfect square with a background color. - [Grayscale Image](https://peasytools.com/image/grayscale-image/) — Convert images to black and white. - [Sepia Image](https://peasytools.com/image/sepia-image/) — Apply a warm vintage sepia tone to your photos. - [Pixelate Image](https://peasytools.com/image/pixelate-image/) — Apply a pixelation mosaic effect to images. - [Strip Image Metadata](https://peasytools.com/image/strip-metadata/) — Remove EXIF data, GPS location, and camera info from photos. - [Color Palette Generator](https://peasytools.com/design/design-palette/) — - [Type Scale Generator](https://peasytools.com/design/design-typography/) — - [Spacing Scale Generator](https://peasytools.com/design/design-spacing/) — - [Responsive Breakpoints](https://peasytools.com/design/design-breakpoints/) — - [Aspect Ratio Calculator](https://peasytools.com/design/design-aspect-ratio/) — - [Color Shade Generator](https://peasytools.com/design/design-color-shades/) — - [Font Pairing Suggestions](https://peasytools.com/design/design-font-pair/) — - [Contrast Checker](https://peasytools.com/design/design-contrast/) — - [Design Tokens Generator](https://peasytools.com/design/design-tokens/) — - [Social Media Size Guide](https://peasytools.com/design/design-media-sizes/) — - [Golden Ratio Calculator](https://peasytools.com/design/design-golden-ratio-calculator/) — Calculate golden ratio proportions for layouts, typography, and spacing - [App Icon Size Guide](https://peasytools.com/design/design-icon-size-guide/) — Complete icon size requirements for iOS, Android, Web, Windows, and macOS - [Shadow System Generator](https://peasytools.com/design/design-shadow-generator/) — Generate elevation shadow systems in Material, Tailwind, or custom style - [Multi-Stop Gradient Generator](https://peasytools.com/design/gradient-generator/) — - [CSS Pattern Generator](https://peasytools.com/design/css-pattern-generator/) — - [Resolution Reference](https://peasytools.com/video/video-resolution/) — - [Bitrate Calculator](https://peasytools.com/video/video-bitrate/) — - [Frame Rate Converter](https://peasytools.com/video/video-framerate/) — - [Timecode Calculator](https://peasytools.com/video/video-timecode/) — - [Aspect Ratio Calculator](https://peasytools.com/video/video-aspect-ratio/) — - [File Size Estimator](https://peasytools.com/video/video-filesize/) — - [Speed & Slow-Mo Calculator](https://peasytools.com/video/video-speed/) — - [Storage Planner](https://peasytools.com/video/video-storage/) — - [Subtitle Time Converter](https://peasytools.com/video/video-subtitle-time/) — - [Bandwidth Calculator](https://peasytools.com/video/video-bandwidth/) — - [Color Space Reference](https://peasytools.com/video/video-color-space/) — - [Codec Reference](https://peasytools.com/video/video-codec/) — - [Platform Specs Guide](https://peasytools.com/video/video-platform/) — - [Chroma Subsampling Guide](https://peasytools.com/video/video-chroma/) — - [Screen Recording Guide](https://peasytools.com/video/video-screen-record/) — - [BPM Calculator](https://peasytools.com/audio/audio-bpm/) — - [Frequency Calculator](https://peasytools.com/audio/audio-freq/) — - [Delay Time Calculator](https://peasytools.com/audio/audio-delay/) — - [dB Converter](https://peasytools.com/audio/audio-db/) — - [Audio File Size Calculator](https://peasytools.com/audio/audio-filesize/) — - [Note Frequency Chart](https://peasytools.com/audio/audio-note-chart/) — - [Decibel Reference Guide](https://peasytools.com/audio/audio-db-reference/) — - [Latency Calculator](https://peasytools.com/audio/audio-latency/) — - [Cents Calculator](https://peasytools.com/audio/audio-cents/) — - [Loudness Standards Guide](https://peasytools.com/audio/audio-loudness/) — - [EQ Frequency Reference](https://peasytools.com/audio/audio-eq-reference/) — Frequency band guide for mixing and mastering - [Sample Rate Converter](https://peasytools.com/audio/audio-sample-rate-converter/) — Compare sample rates and estimate file sizes - [Bit Depth Analyzer](https://peasytools.com/audio/audio-bit-depth-analyzer/) — Dynamic range and noise floor by bit depth - [Chord Reference](https://peasytools.com/audio/chord-reference/) — - [Key & Scale Reference](https://peasytools.com/audio/key-scale-reference/) — - [Format Identifier](https://peasytools.com/doc/format-identifier/) — - [MIME Type Lookup](https://peasytools.com/doc/mime-type-lookup/) — - [Base64 Encoder / Decoder](https://peasytools.com/doc/base64-encoder/) — - [URL Encoder / Decoder](https://peasytools.com/doc/url-encoder/) — - [HTML Entity Encoder / Decoder](https://peasytools.com/doc/html-entities/) — - [Markdown to HTML Converter](https://peasytools.com/doc/markdown-to-html/) — - [YAML ↔ JSON Converter](https://peasytools.com/doc/yaml-json-converter/) — - [Line Ending Converter](https://peasytools.com/doc/line-ending-converter/) — - [Data URI Generator](https://peasytools.com/doc/data-uri-generator/) — - [Hex Dump Viewer](https://peasytools.com/doc/hex-dump-viewer/) — - [Unicode Escape Converter](https://peasytools.com/doc/unicode-escape-converter/) — - [File Size Converter](https://peasytools.com/doc/file-size-converter/) — - [Character Set Analyzer](https://peasytools.com/doc/charset-analyzer/) — - [Format Comparison Guide](https://peasytools.com/doc/format-comparison/) — - [Conversion Guide](https://peasytools.com/doc/conversion-guide/) — - [QR Data Analyzer](https://peasytools.com/qr/qr-data-analyzer/) — - [QR Capacity Reference](https://peasytools.com/qr/qr-capacity-reference/) — - [Wi-Fi QR Config Builder](https://peasytools.com/qr/qr-wifi-generator/) — - [vCard QR Builder](https://peasytools.com/qr/qr-vcard-generator/) — - [Error Correction Calculator](https://peasytools.com/qr/qr-error-correction/) — - [Barcode Format Reference](https://peasytools.com/qr/barcode-reference/) — - [Barcode Validator](https://peasytools.com/qr/barcode-validator/) — - [QR Data Formatter](https://peasytools.com/qr/qr-data-formatter/) — - [Event QR Generator](https://peasytools.com/qr/qr-event-generator/) — Generate calendar event data for QR codes in iCalendar format - [Email QR Generator](https://peasytools.com/qr/qr-email-generator/) — Generate email QR data with mailto: URI and MATMSG format - [SMS QR Generator](https://peasytools.com/qr/qr-sms-generator/) — Generate SMS QR data with pre-filled messages - [Geo Location QR Generator](https://peasytools.com/qr/qr-geo-location/) — Generate geographic coordinates for QR codes - [Phone Call QR Generator](https://peasytools.com/qr/qr-phone-call/) — Generate tel: URI QR data for phone calls - [MeCard Generator](https://peasytools.com/qr/mecard-generator/) — - [App Store Link Generator](https://peasytools.com/qr/app-store-link-generator/) — - [Word Counter](https://peasytools.com/text/text-counter/) — Count words, characters, sentences, and paragraphs. - [Case Converter](https://peasytools.com/text/text-case-converter/) — Convert text between UPPER, lower, Title, camelCase, and more. - [Sort Lines](https://peasytools.com/text/sort-lines/) — Sort lines alphabetically, numerically, or randomly. - [Lorem Ipsum Generator](https://peasytools.com/text/lorem-ipsum-generator/) — Generate placeholder text for designs and layouts. - [Slug Generator](https://peasytools.com/text/slug-generator/) — Convert text to URL-friendly slugs. - [Find & Replace](https://peasytools.com/text/find-and-replace/) — Find and replace text with regex support. - [Remove Duplicate Lines](https://peasytools.com/text/remove-duplicate-lines/) — Remove duplicate lines from text. - [Base64 Encoder/Decoder](https://peasytools.com/text/base64-encode-decode/) — Encode text to Base64 or decode Base64 back to text. - [URL Encoder/Decoder](https://peasytools.com/text/url-encode-decode/) — Encode or decode URL-encoded strings. - [JSON Formatter](https://peasytools.com/text/json-formatter/) — Format or minify JSON data. - [HTML Entity Encoder/Decoder](https://peasytools.com/text/html-entity-encoder/) — Encode special characters as HTML entities or decode them. - [Reverse Text](https://peasytools.com/text/reverse-text/) — Reverse characters, words, or lines in your text. - [Add/Remove Line Numbers](https://peasytools.com/text/line-numbers/) — Add or remove line numbers from text. - [Text Diff](https://peasytools.com/text/text-diff/) — Compare two texts and highlight differences. - [Text Extractor](https://peasytools.com/text/text-extractor/) — Extract emails, URLs, numbers, or IPs from text. - [Hash Generator](https://peasytools.com/dev/hash-generator/) — Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes from text - [Password Generator](https://peasytools.com/dev/password-generator/) — Generate strong, random passwords - [Unix Timestamp Converter](https://peasytools.com/dev/timestamp-converter/) — Convert between Unix timestamps and human-readable dates - [Cron Expression Generator](https://peasytools.com/dev/cron-expression-generator/) — Build and understand cron schedule expressions - [Chmod Calculator](https://peasytools.com/dev/chmod-calculator/) — Convert between numeric and symbolic Unix file permissions - [String Escape / Unescape](https://peasytools.com/dev/string-escape-unescape/) — Escape and unescape strings for JSON, HTML, URL, XML, CSV, SQL - [IP Subnet Calculator](https://peasytools.com/dev/ip-subnet-calculator/) — Calculate subnet ranges, broadcast addresses, and CIDR notation - [Color Code Converter](https://peasytools.com/dev/color-converter/) — Convert colors between HEX, RGB, and HSL formats - [CSV ↔ JSON Converter](https://peasytools.com/dev/csv-json-converter/) — Convert between CSV and JSON formats - [XML ↔ JSON Converter](https://peasytools.com/dev/xml-json-converter/) — Convert between XML and JSON formats - [SQL Formatter](https://peasytools.com/dev/sql-formatter/) — Format and minify SQL queries - [Markdown Table Generator](https://peasytools.com/dev/markdown-table/) — Convert CSV/TSV data into formatted Markdown tables - [HTTP Status Code Reference](https://peasytools.com/dev/http-status/) — Look up HTTP status codes with descriptions and usage - [Meta Tags Generator](https://peasytools.com/dev/meta-tags/) — Generate HTML meta tags, Open Graph, and Twitter Card tags - [Robots.txt Generator](https://peasytools.com/dev/robots-txt/) — Create robots.txt files with AI crawler blocking options - [.gitignore Generator](https://peasytools.com/dev/gitignore/) — Generate .gitignore files for popular frameworks - [HTML Formatter](https://peasytools.com/dev/html-formatter/) — Beautify or minify HTML code with proper indentation - [CSS Unit Converter](https://peasytools.com/dev/css-units/) — Convert between px, rem, em, pt, %, vw, and vh - [JSONPath Evaluator](https://peasytools.com/dev/json-path/) — Query JSON data using JSONPath expressions - [Text Diff Checker](https://peasytools.com/dev/dev-text-diff/) — Compare two texts and highlight differences - [Data URI Converter](https://peasytools.com/dev/data-uri/) — Encode text to Data URIs or decode Data URIs to text - [Lorem Ipsum Generator](https://peasytools.com/dev/lorem/) — Generate placeholder text, code snippets, names, and emails - [Path Converter](https://peasytools.com/dev/backslash/) — Convert between Windows backslash and Unix forward-slash paths - [.htaccess Generator](https://peasytools.com/dev/htaccess/) — Generate Apache .htaccess rules for redirects, caching, and security - [.env Validator](https://peasytools.com/dev/env/) — Validate, sort, and compare .env environment files - [Placeholder Image Generator](https://peasytools.com/dev/placeholder/) — Generate placeholder image URLs for development and design - [SERP Preview](https://peasytools.com/seo/serp-preview/) — Preview how your page appears in Google search results - [OG Tag Debugger](https://peasytools.com/seo/og-tag-debugger/) — Parse and validate Open Graph meta tags from HTML - [Heading Analyzer](https://peasytools.com/seo/heading-analyzer/) — Extract and analyze HTML heading structure for SEO - [Keyword Density Analyzer](https://peasytools.com/seo/keyword-density/) — Analyze keyword frequency and distribution in your content - [Readability Score](https://peasytools.com/seo/readability-score/) — Calculate readability scores using five proven formulas - [XML Sitemap Generator](https://peasytools.com/seo/sitemap-generator/) — Generate valid XML sitemaps from a list of URLs - [Schema.org Generator](https://peasytools.com/seo/schema-generator/) — Generate JSON-LD structured data for rich search results - [Link Extractor](https://peasytools.com/seo/link-extractor/) — Extract and categorize all links from HTML content - [Canonical Tag Checker](https://peasytools.com/seo/canonical-checker/) — Find and validate canonical URL tags in HTML - [Robots.txt Analyzer](https://peasytools.com/seo/robots-txt-analyzer/) — Parse and test robots.txt rules against URLs - [Structured Data Validator](https://peasytools.com/seo/structured-data-validator/) — Validate JSON-LD structured data syntax and Schema.org types - [Word Count & SEO Grade](https://peasytools.com/seo/word-count-seo/) — Analyze content length with SEO-optimized word count metrics - [Meta Length Checker](https://peasytools.com/seo/seo-meta-length-checker/) — Check meta title & description lengths against Google's display limits - [URL Slug Generator](https://peasytools.com/seo/seo-url-slug-generator/) — Generate SEO-friendly URL slugs from page titles - [Keyword Density Analyzer](https://peasytools.com/seo/seo-keyword-density-analyzer/) — Analyze keyword frequency and density across your content - [Percentage Calculator](https://peasytools.com/math/percentage-calculator/) — Calculate percentages, increases, decreases, and ratios - [Ratio Calculator](https://peasytools.com/math/ratio-calculator/) — Simplify, scale, and find equivalent ratios - [Average Calculator](https://peasytools.com/math/average-calculator/) — Calculate mean, median, mode, range, and standard deviation - [GCD & LCM Calculator](https://peasytools.com/math/gcd-lcm-calculator/) — Find greatest common divisor and least common multiple - [Prime Number Tools](https://peasytools.com/math/prime-number-tools/) — Check, factorize, generate, and find prime numbers - [Equation Solver](https://peasytools.com/math/equation-solver/) — Solve linear and quadratic equations step by step - [Unit Converter](https://peasytools.com/math/unit-converter/) — Convert between length, weight, temperature, volume, and more - [Fraction Calculator](https://peasytools.com/math/fraction-calculator/) — Add, subtract, multiply, divide, and simplify fractions - [Roman Numeral Converter](https://peasytools.com/math/roman-numeral-converter/) — Convert between Roman numerals and decimal numbers - [Fibonacci Calculator](https://peasytools.com/math/fibonacci-calculator/) — Generate sequences, find nth terms, and check Fibonacci numbers - [Logarithm Calculator](https://peasytools.com/math/logarithm-calculator/) — Calculate log₁₀, ln, log₂, and custom base logarithms - [Statistics Calculator](https://peasytools.com/math/statistics-calculator/) — Mean, median, mode, standard deviation, and more - [Number Base Converter](https://peasytools.com/math/number-base-converter/) — Convert between binary, octal, decimal, hex, and any base - [Matrix Calculator](https://peasytools.com/math/matrix-calculator/) — - [Trigonometry Calculator](https://peasytools.com/math/trigonometry-calculator/) — ## Guides (50) - [Image Format Guide: JPEG vs PNG vs WebP vs AVIF](https://peasytools.com/guides/image-format-comparison/) — Choosing the right image format affects file size, quality, and browser compatibility. This comparison covers the strengths of JPEG, PNG, … - [Social Media Image Sizes: The Complete 2025 Guide](https://peasytools.com/guides/social-media-image-sizes-2025/) — Each social platform has specific image dimensions for profiles, covers, posts, and stories. Using the wrong size results in cropping, … - [CSS Units Explained: px, em, rem, vh, and When to Use Each](https://peasytools.com/guides/css-units-explained/) — CSS offers over a dozen length units, each suited to different situations. Understanding the differences between absolute and relative units … - [Color Theory for Digital Design: A Practical Guide](https://peasytools.com/guides/color-theory-digital-design/) — Understanding color theory helps you create visually harmonious designs that communicate effectively. This guide covers color models, harmony rules, accessibility … - [JSON vs YAML vs TOML: Choosing a Configuration Format](https://peasytools.com/guides/json-vs-yaml-vs-toml/) — Configuration files are the backbone of modern applications. JSON, YAML, and TOML each offer different trade-offs between readability, complexity, and … - [Audio Format Guide: MP3 vs AAC vs FLAC vs WAV](https://peasytools.com/guides/audio-format-comparison/) — Audio formats balance file size against sound quality. This comparison covers the most common formats and helps you choose the … - [How to Use Scientific Notation and Number Formatting](https://peasytools.com/guides/scientific-notation-number-formatting/) — Scientific notation makes very large and very small numbers manageable. This guide covers notation systems, significant figures, and formatting conventions … - [Text Encoding Explained: UTF-8, ASCII, and Beyond](https://peasytools.com/guides/text-encoding-utf8-ascii/) — Text encoding determines how characters are stored as bytes. Understanding UTF-8, ASCII, and other encodings prevents garbled text, mojibake, and … - [Video Codecs Explained: H.264, H.265, VP9, and AV1](https://peasytools.com/guides/video-codecs-explained/) — Video codecs determine file size, quality, and compatibility. This guide compares the major codecs, from the ubiquitous H.264 to the … - [How to Merge PDF Files Without Losing Quality](https://peasytools.com/guides/how-to-merge-pdf-files/) — Combining multiple PDF documents into a single file is one of the most common document tasks. This guide walks you … - [File Format Conversion: A Complete Guide](https://peasytools.com/guides/file-format-conversion-guide/) — Converting files between formats is a daily task for professionals across every industry. This comprehensive guide covers document, image, audio, … - [How to Compress Images for the Web](https://peasytools.com/guides/how-to-compress-images-for-web/) — Learn how to reduce image file sizes for faster web page loading without visible quality loss. This guide covers lossy … - [How to Generate Strong Random Passwords](https://peasytools.com/guides/generate-strong-random-passwords/) — Password generation requires cryptographic randomness and careful character selection. This guide covers the principles behind strong password generation, entropy calculation, … - [How to Check if Your Password Has Been Compromised](https://peasytools.com/guides/check-password-compromised/) — Data breaches expose millions of passwords regularly. Learn how to check whether your credentials have been leaked without risking further … - [QR Code Generation: Best Practices for Print and Digital](https://peasytools.com/guides/qr-code-generation-best-practices/) — QR codes bridge physical and digital experiences, but poorly generated codes fail to scan. This guide covers sizing, error correction, … - [Meta Tags for SEO: Title, Description, and Open Graph](https://peasytools.com/guides/meta-tags-seo-guide/) — Meta tags control how your pages appear in search results and social media shares. This guide covers the essential meta … - [How to Convert Images Between Formats](https://peasytools.com/guides/how-to-convert-images-between-formats/) — A practical guide to converting between image formats like JPEG, PNG, WebP, SVG, and HEIC. Learn which conversions are lossless, … - [How to Resize Images Without Losing Quality](https://peasytools.com/guides/how-to-resize-images-without-losing-quality/) — Master image resizing techniques that preserve sharpness and detail. Understand interpolation methods, when to use each algorithm, and how to … - [How to Optimize Images for SEO](https://peasytools.com/guides/how-to-optimize-images-for-seo/) — Optimize images for search engine visibility and faster page loads. Learn about alt text, file naming, compression, responsive images, lazy … - [JPEG vs PNG — Which Image Format Should You Use?](https://peasytools.com/guides/jpg-vs-png-which-format-to-use/) — A detailed comparison of JPEG and PNG image formats covering compression methods, quality characteristics, transparency, and ideal use cases. Learn … - [WebP vs JPEG — Modern Image Format Comparison](https://peasytools.com/guides/webp-vs-jpg-modern-image-formats/) — Compare WebP and JPEG for web image delivery. Learn about compression efficiency, quality differences, browser support, and when to migrate … - [Image Optimization Best Practices for Web Performance](https://peasytools.com/guides/image-optimization-best-practices/) — A comprehensive guide to optimizing images for web performance, covering format selection, compression settings, responsive delivery, lazy loading, and CDN … - [Accessibility Guide for Online Tool Design](https://peasytools.com/guides/accessibility-guide-online-tool-design/) — Online tools must be usable by everyone, including people with visual, motor, and cognitive disabilities. Learn the key accessibility patterns … - [Instagram Reels Optimization: Formats, Timing, and Algorithm Signals](https://peasytools.com/guides/instagram-reels-optimization-guide/) — Instagram Reels compete for attention in a fast-scrolling vertical feed. Understanding the technical requirements, optimal posting cadence, and the signals … - [TikTok Content Strategy: From Concept to Viral Distribution](https://peasytools.com/guides/tiktok-content-strategy-guide/) — TikTok's algorithm rewards content quality over follower count, giving new creators a genuine shot at broad distribution. Building a sustainable … - [QR Code Design Best Practices: Balancing Aesthetics and Scannability](https://peasytools.com/guides/qr-code-design-best-practices/) — A QR code that looks great but fails to scan is worse than useless. Understanding the relationship between visual customization … - [Audio Format Comparison: MP3, AAC, FLAC, OGG, and WAV](https://peasytools.com/guides/audio-format-comparison-mp3-aac-flac/) — Choosing the right audio format involves trade-offs between file size, audio quality, compatibility, and intended use case. This comparison covers … - [LinkedIn Post Formatting: Maximizing Professional Engagement](https://peasytools.com/guides/linkedin-post-formatting-guide/) — LinkedIn's feed algorithm heavily favors native text posts with specific formatting patterns. Understanding how LinkedIn renders content and what drives … - [QR Codes for Restaurant Menus: Implementation Guide](https://peasytools.com/guides/qr-codes-restaurant-menus/) — Contactless menus via QR codes became standard during the pandemic and remain popular for cost savings and easy updates. Implementing … - [Building an Automated Image Pipeline for E-Commerce](https://peasytools.com/guides/automated-image-pipeline-ecommerce/) — E-commerce sites need product images in multiple sizes, formats, and optimizations. Learn how to build an automated pipeline from upload … - [Lossless vs Lossy Audio: When Quality Matters and When It Doesn't](https://peasytools.com/guides/lossless-vs-lossy-audio-guide/) — The lossless vs. lossy debate generates more heat than light. In controlled double-blind tests, most listeners cannot distinguish 256 kbps … - [Password Strength Analysis: How Strong Is Your Password Really?](https://peasytools.com/guides/password-strength-analysis-guide/) — Learn the science behind password strength meters and entropy calculations. Understand what makes a password truly secure, how attackers crack … - [Audio Bitrate and Quality: Finding the Right Balance](https://peasytools.com/guides/audio-bitrate-quality-guide/) — Bitrate determines both file size and audio quality in lossy formats. Understanding the relationship between bitrate, codec efficiency, and perceptual … - [Image Format Comparison: JPEG, PNG, WebP, AVIF, and SVG](https://peasytools.com/guides/image-format-comparison-jpeg-png-webp-avif-svg/) — Comprehensive comparison of image formats for the web. Understand compression algorithms, transparency support, animation capabilities, and browser compatibility to choose … - [Two-Factor Authentication Methods Compared: TOTP, SMS, and Hardware Keys](https://peasytools.com/guides/two-factor-authentication-methods-compared/) — Compare the security, convenience, and cost of major 2FA methods including authenticator apps, SMS codes, hardware security keys, and biometrics. … - [Document Format Interoperability: PDF, DOCX, ODT, and Markdown](https://peasytools.com/guides/document-format-interoperability-guide/) — Navigate the complexities of converting between document formats. Understand what survives conversion, what gets lost, and best practices for maintaining … - [Encryption Algorithms Compared: AES, ChaCha20, and RSA Explained](https://peasytools.com/guides/encryption-algorithms-compared-aes-chacha20-rsa/) — Understand the differences between symmetric and asymmetric encryption, when to use AES-256 vs ChaCha20-Poly1305, and how RSA fits into modern … - [Audio Format Guide: MP3, AAC, FLAC, WAV, and OGG Explained](https://peasytools.com/guides/audio-format-guide-mp3-aac-flac-wav-ogg/) — Understand the differences between lossy and lossless audio formats. Learn when to use each format for music, podcasts, sound effects, … - [Regex Cheat Sheet: Essential Patterns for Text Processing](https://peasytools.com/guides/regex-cheat-sheet-essential-patterns/) — A practical regular expression reference covering the most commonly needed patterns for text processing. Includes email validation, URL matching, date … - [CSS Grid vs Flexbox: When to Use Each Layout System](https://peasytools.com/guides/css-grid-vs-flexbox-when-to-use-each/) — End the Grid vs Flexbox debate with clear guidelines. Understand the conceptual differences, when each layout system excels, and how … - [Text Encoding Explained: UTF-8, ASCII, Latin-1, and Unicode](https://peasytools.com/guides/text-encoding-utf8-ascii-unicode-explained/) — Demystify character encoding — why text appears as garbled symbols, how UTF-8 became the universal standard, and practical strategies for … - [CSS Custom Properties (Variables): A Complete Guide](https://peasytools.com/guides/css-custom-properties-variables-complete-guide/) — Master CSS custom properties — from basic variable usage to advanced patterns like theming, component APIs, and responsive design tokens. … - [Advanced Markdown: Tables, Footnotes, Task Lists, and Extensions](https://peasytools.com/guides/advanced-markdown-tables-footnotes-extensions/) — Go beyond basic Markdown with advanced features supported by major platforms. Covers GFM tables, footnotes, task lists, math notation, Mermaid … - [CSS Animation Performance: What the Browser Actually Does](https://peasytools.com/guides/css-animation-performance-browser-guide/) — Understand the browser rendering pipeline and which CSS properties can be animated efficiently. Learn why some animations are silky smooth … - [Lorem Ipsum and Placeholder Text: When and How to Use It](https://peasytools.com/guides/lorem-ipsum-placeholder-text-guide/) — Placeholder text fills layouts during design before real content arrives. This guide covers the history of Lorem Ipsum, when to … - [Color Palette Generation Techniques for Web Design](https://peasytools.com/guides/color-palette-generation-techniques/) — Building a cohesive color palette is the foundation of every design project. This guide covers algorithmic and artistic approaches to … - [Video Codec Comparison: H.264 vs H.265 vs VP9 vs AV1](https://peasytools.com/guides/video-codec-comparison-h264-h265-vp9-av1/) — Four dominant video codecs compete for web delivery and streaming. Each balances compression efficiency, encoding speed, and browser support differently. … - [Meta Tags Optimization: A Complete Guide for 2025-2026](https://peasytools.com/guides/meta-tags-optimization-complete-guide/) — Meta tags are the first impression your page makes on search engines and social platforms. Optimizing title tags, descriptions, and … - [Percentage Calculation Formulas and Real-World Applications](https://peasytools.com/guides/percentage-calculation-formulas/) — Percentages appear everywhere: discounts, tax rates, growth metrics, and exam scores. This guide covers the three core formulas and common … - [Unit Conversion Fundamentals: A Complete Reference](https://peasytools.com/guides/unit-conversion-fundamentals/) — Converting between units is essential in science, engineering, cooking, and everyday life. This guide covers dimensional analysis, common conversion factors, … ## Glossary (100 terms) - [12-Factor App](https://peasytools.com/glossary/12-factor-app/) — A methodology of twelve best practices for building scalable, maintainable software-as-a-service applications. - [2FA](https://peasytools.com/glossary/2fa/) — A security process requiring two distinct forms of identification — typically a password and a … - [301 Redirect](https://peasytools.com/glossary/301-redirect/) — An HTTP status code permanently redirecting one URL to another, transferring most link equity to … - [AAC](https://peasytools.com/glossary/aac/) — A lossy audio codec designed as the successor to MP3, offering better quality at similar … - [ABR](https://peasytools.com/glossary/abr/) — A streaming technique that dynamically adjusts video quality based on the viewer's network conditions. - [A/B Testing](https://peasytools.com/glossary/ab-testing/) — Comparing two versions of content by showing each to a random subset of users to … - [Accessibility](https://peasytools.com/glossary/accessibility/) — Designing products usable by people with disabilities, following WCAG guidelines for perceivable and operable interfaces. - [AcroForm](https://peasytools.com/glossary/acroform/) — The standard interactive form technology in PDF documents, supporting text fields, checkboxes, radio buttons, and … - [AES](https://peasytools.com/glossary/aes/) — A symmetric block cipher used worldwide for encrypting sensitive data, with key sizes of 128, … - [Affordance](https://peasytools.com/glossary/affordance/) — A visual cue suggesting how an element should be used (e.g. a raised button affords … - [AIFF](https://peasytools.com/glossary/aiff/) — An Apple-developed uncompressed audio format similar to WAV, commonly used in professional audio on macOS. - [Algorithm (Social)](https://peasytools.com/glossary/algorithm-social/) — A ranking system that determines which content appears in a user's feed based on engagement … - [Aliasing (Audio)](https://peasytools.com/glossary/aliasing-audio/) — Distortion occurring when audio frequencies above the Nyquist limit are sampled, producing false lower frequencies. - [Alignment Pattern](https://peasytools.com/glossary/alignment-pattern/) — Smaller square patterns in larger QR codes that help correct distortion when scanning at an … - [Alpha Channel](https://peasytools.com/glossary/alpha-channel/) — An alpha channel stores transparency information for each pixel in an image, with values ranging … - [Alpha Compositing](https://peasytools.com/glossary/alpha-compositing/) — Combining semi-transparent images by blending pixel colors according to their alpha channel values. - [Alt Text](https://peasytools.com/glossary/alt-text/) — A text description of an image for accessibility and SEO, displayed when the image cannot … - [Analogous Colors](https://peasytools.com/glossary/analogous-colors/) — Three or more colors adjacent on the color wheel, producing harmonious and visually cohesive palettes. - [Anchor Positioning](https://peasytools.com/glossary/anchor-positioning/) — A layout feature that positions elements relative to a named anchor element, useful for tooltips … - [Anchor Text](https://peasytools.com/glossary/anchor-text/) — The visible clickable text of a hyperlink, providing context to search engines about the linked … - [Annotation](https://peasytools.com/glossary/annotation/) — A markup element added to a PDF page, such as highlights, comments, stamps, or drawing … - [API](https://peasytools.com/glossary/api/) — A set of protocols and tools enabling different software applications to communicate with each other. - [API Gateway](https://peasytools.com/glossary/api-gateway/) — A server that acts as a single entry point for API requests, handling routing, authentication, … - [APNG](https://peasytools.com/glossary/apng/) — An extension of PNG supporting animated images with full alpha transparency, superior to GIF's 256-color … - [Archive](https://peasytools.com/glossary/archive/) — A single file that bundles multiple files and directories together, optionally with compression, for storage … - [Argon2](https://peasytools.com/glossary/argon2/) — The winner of the Password Hashing Competition, designed to be memory-hard and resistant to GPU … - [ARIA](https://peasytools.com/glossary/aria/) — A set of HTML attributes that define roles, states, and properties for UI elements, making … - [Arrow](https://peasytools.com/glossary/arrow/) — A cross-language columnar memory format for flat and hierarchical data, enabling zero-copy reads for analytics. - [ASCII](https://peasytools.com/glossary/ascii/) — A 7-bit character encoding standard representing 128 characters including English letters, digits, and control codes. - [Aspect Ratio](https://peasytools.com/glossary/aspect-ratio/) — Aspect ratio is the proportional relationship between an image's width and height, expressed as two … - [Aspect Ratio (CSS)](https://peasytools.com/glossary/aspect-ratio-css/) — A property that sets a preferred width-to-height ratio for an element, preventing layout shift during … - [AST](https://peasytools.com/glossary/ast/) — A tree representation of the syntactic structure of source code, used by compilers and code … - [Audio Codec](https://peasytools.com/glossary/audio-codec/) — Software that encodes raw audio into a compressed format and decodes it back for playback … - [Audio Fingerprint](https://peasytools.com/glossary/audio-fingerprint/) — A compact digital summary of an audio signal used to identify songs or detect duplicate … - [Audio Watermark](https://peasytools.com/glossary/audio-watermark/) — Embedding imperceptible identifying data into an audio signal for copyright tracking and content identification. - [AV1](https://peasytools.com/glossary/av1/) — A royalty-free video codec offering 30-50% better compression than H.265, developed by the Alliance for … - [AVIF](https://peasytools.com/glossary/avif/) — A next-generation image format based on the AV1 video codec, offering superior compression. - [AVIF Sequence](https://peasytools.com/glossary/avif-sequence/) — An animated image format using AVIF's AV1 compression, offering dramatically smaller files than GIF or … - [Aztec Code](https://peasytools.com/glossary/aztec-code/) — A 2D barcode with a bullseye finder pattern in the center, used on airline boarding … - [Backlink](https://peasytools.com/glossary/backlink/) — A hyperlink from one website to another, used by search engines as a signal of … - [Backpressure](https://peasytools.com/glossary/backpressure/) — A flow control mechanism where a slow consumer signals a fast producer to reduce its … - [Base58](https://peasytools.com/glossary/base58/) — A binary-to-text encoding that excludes visually ambiguous characters (0, O, I, l), used in Bitcoin … - [Base64](https://peasytools.com/glossary/base64/) — A binary-to-text encoding scheme that represents binary data as ASCII characters. - [Baseline Grid](https://peasytools.com/glossary/baseline-grid/) — A horizontal grid aligned to text baselines that maintains consistent vertical rhythm across a page. - [Batch Processing](https://peasytools.com/glossary/batch-processing/) — Processing multiple files simultaneously using the same operation, saving time on repetitive tasks. - [Batch Resize](https://peasytools.com/glossary/batch-resize/) — Processing multiple images at once to change their dimensions to a uniform size or percentage … - [Bates Numbering](https://peasytools.com/glossary/bates-numbering/) — A sequential numbering system used in legal documents for identification and retrieval. - [Bayes' Theorem](https://peasytools.com/glossary/bayes-theorem/) — A formula for updating the probability of a hypothesis given new evidence, foundational to statistical … - [Bcrypt](https://peasytools.com/glossary/bcrypt/) — An adaptive password hashing function with a configurable work factor that slows brute-force attacks. - [BEM](https://peasytools.com/glossary/bem/) — A CSS naming convention using block__element--modifier format to create reusable, maintainable class names. - [B-Frame](https://peasytools.com/glossary/b-frame/) — A video frame that references both preceding and following frames for highly efficient compression. - [Big O Notation](https://peasytools.com/glossary/big-o-notation/) — A mathematical notation describing the upper bound of an algorithm's time or space complexity as … - [Binomial Distribution](https://peasytools.com/glossary/binomial-distribution/) — A discrete probability distribution modeling the number of successes in a fixed number of independent … - [Bio Link](https://peasytools.com/glossary/bio-link/) — A single URL in a social media profile, often a link-in-bio page aggregating multiple destinations. - [Bit Depth](https://peasytools.com/glossary/bit-depth/) — Bit depth determines the number of possible color values each pixel can represent. Higher bit … - [Bit Depth (Audio)](https://peasytools.com/glossary/bit-depth-audio/) — The number of bits in each audio sample, determining the dynamic range and noise floor … - [Bitrate](https://peasytools.com/glossary/bitrate/) — The amount of audio data processed per second, measured in kbps, directly affecting quality and … - [Bitrate (Video)](https://peasytools.com/glossary/bitrate-video/) — The amount of video data processed per second, directly affecting quality and file size of … - [BMP](https://peasytools.com/glossary/bmp/) — An uncompressed raster graphics format storing color data for each pixel, resulting in large file … - [BOM](https://peasytools.com/glossary/bom/) — A special Unicode character at the start of a file indicating its encoding and byte … - [Bookmark](https://peasytools.com/glossary/bookmark/) — A navigational element in a PDF outline that links to a specific location within the … - [Boolean Algebra](https://peasytools.com/glossary/boolean-algebra/) — A branch of algebra operating on true/false values using AND, OR, NOT operators, foundational to … - [Box Model](https://peasytools.com/glossary/box-model/) — The layout model where every element is a box with content, padding, border, and margin … - [Breadcrumb](https://peasytools.com/glossary/breadcrumb/) — A hierarchical navigation trail showing the user's location within a site, enhancing UX and enabling … - [Brotli](https://peasytools.com/glossary/brotli/) — A Google-developed compression format optimized for web content, achieving 15-25% better ratios than gzip. - [Buffer](https://peasytools.com/glossary/buffer/) — A temporary storage area holding data while it is being transferred between processes or devices. - [Buffering](https://peasytools.com/glossary/buffering/) — Temporarily storing data in memory during transfer between components to smooth out differences in processing … - [Cache](https://peasytools.com/glossary/cache/) — A high-speed storage layer that saves copies of frequently accessed data for faster subsequent retrieval. - [Cache-Control](https://peasytools.com/glossary/cache-control/) — An HTTP header that specifies caching policies such as max-age, no-store, and immutable for browsers … - [Calc](https://peasytools.com/glossary/calc/) — A function for performing arithmetic calculations with mixed units in CSS property values (e.g. calc(100% … - [Canary Release](https://peasytools.com/glossary/canary-release/) — A deployment strategy that routes a small percentage of traffic to a new version to … - [Canonical URL](https://peasytools.com/glossary/canonical-url/) — An HTML element specifying the preferred version of a page when duplicate or similar content … - [Canvas](https://peasytools.com/glossary/canvas/) — In image editing, the canvas is the total working area that defines the boundaries of … - [Caption](https://peasytools.com/glossary/caption/) — The text accompanying a social media post, often including hashtags, mentions, and calls to action. - [Carousel](https://peasytools.com/glossary/carousel/) — A post format displaying multiple images or slides that users swipe through horizontally. - [Cascade](https://peasytools.com/glossary/cascade/) — The mechanism by which browsers resolve conflicting CSS declarations based on origin, specificity, and order. - [Case Conversion](https://peasytools.com/glossary/case-conversion/) — Transforming text between uppercase, lowercase, title case, sentence case, or camelCase formats. - [CBR](https://peasytools.com/glossary/cbr/) — A video encoding mode maintaining a fixed data rate throughout, providing predictable file sizes and … - [CDN](https://peasytools.com/glossary/cdn/) — A geographically distributed network of servers that caches and delivers web content from locations closest … - [Certificate Pinning](https://peasytools.com/glossary/certificate-pinning/) — A technique that associates a host with its expected certificate, preventing man-in-the-middle attacks with forged … - [CFR](https://peasytools.com/glossary/cfr/) — A video encoding where frames are evenly spaced at a fixed interval, preferred for editing … - [Channel](https://peasytools.com/glossary/channel/) — An independent audio signal in a recording (mono = 1, stereo = 2, surround = … - [Checksum](https://peasytools.com/glossary/checksum/) — A value computed from file data used to verify that the file hasn't been altered … - [Checksum Verification](https://peasytools.com/glossary/checksum-verification/) — Comparing a computed hash value against a known value to confirm data integrity after transfer … - [Chorus Effect](https://peasytools.com/glossary/chorus-effect/) — An effect that duplicates a signal with slight pitch and timing variations to simulate multiple … - [Chroma Key](https://peasytools.com/glossary/chroma-key/) — A technique replacing a solid-color background (green screen) with another image or video. - [Chroma Subsampling](https://peasytools.com/glossary/chroma-subsampling/) — Chroma subsampling reduces the color resolution of an image while preserving full brightness (luminance) detail. … - [Chromatic Aberration](https://peasytools.com/glossary/chromatic-aberration/) — A lens defect causing color fringing at edges where different wavelengths of light focus at … - [Chunking](https://peasytools.com/glossary/chunking/) — Dividing data into smaller, manageable pieces for parallel processing, transfer, or memory-constrained environments. - [CI/CD](https://peasytools.com/glossary/cicd/) — A development practice where code changes are automatically built, tested, and deployed to production. - [CIDR](https://peasytools.com/glossary/cidr/) — A notation for IP address ranges using a base address and prefix length (e.g. 192.168.1.0/24). - [CJK](https://peasytools.com/glossary/cjk/) — A collective term for the writing systems of East Asian languages, requiring multi-byte character encodings. - [Clamp](https://peasytools.com/glossary/clamp/) — A function constraining a value between a minimum and maximum, enabling fluid responsive typography and … - [CLI](https://peasytools.com/glossary/cli/) — A text-based interface for interacting with software by typing commands rather than using a graphical … - [Clickjacking](https://peasytools.com/glossary/clickjacking/) — An attack that tricks users into clicking hidden elements by overlaying invisible frames on top … - [Clipboard](https://peasytools.com/glossary/clipboard/) — A temporary storage area managed by the operating system for data being copied or moved … - [Clipping](https://peasytools.com/glossary/clipping/) — Distortion that occurs when an audio signal exceeds the maximum level a system can handle. - [CLS](https://peasytools.com/glossary/cls/) — A Core Web Vital measuring unexpected layout movement during page load (target: under 0.1). - [Codabar](https://peasytools.com/glossary/codabar/) — A self-checking 1D barcode encoding digits and a few special characters, historically used in libraries … - [Code 128](https://peasytools.com/glossary/code-128/) — A high-density 1D barcode encoding all 128 ASCII characters, widely used in shipping and logistics. ## API Base URL: https://peasytools.com/api/v1/ | Endpoint | Description | |----------|-------------| | GET /api/v1/tools/ | List all tools (filterable by category) | | GET /api/v1/tools/{slug}/ | Tool detail with description, steps, FAQ | | GET /api/v1/categories/ | Tool categories | | GET /api/v1/formats/ | File formats reference | | GET /api/v1/conversions/ | Format conversion guides | | GET /api/v1/glossary/ | Terminology definitions | | GET /api/v1/glossary/{slug}/ | Term with simple + technical explanations, code examples, references | | GET /api/v1/guides/ | Educational guides (filterable by category, audience_level) | | GET /api/v1/guides/{slug}/ | Full guide with content, takeaways, ToC, related guides | | GET /api/v1/use-cases/ | Real-world use cases | | GET /api/v1/search/?q={query} | Cross-model search | | GET /api/v1/sites/ | All 16 Peasy sites | OpenAPI spec: https://peasytools.com/api/openapi.json Swagger UI: https://peasytools.com/api/docs/ ## Content Negotiation All pages support Markdown output for AI agents: - Add `?format=md` to any page URL - Or send `Accept: text/markdown` header ## Platform Stats - 251 tools across 16 sites - 131 file formats documented - 1484 format conversion guides - 695 glossary terms - 645 educational guides - 302 real-world use cases Full catalog: https://peasytools.com/llms-full.txt