56+ free, browser-based utilities. No data ever leaves your machine.
Decode JWT tokens to inspect header, payload, and signature with expiration validation.
Free online color converter. Convert between HEX, RGB, and HSL color formats with a live visual preview and color picker. Get CSS variable output ready to use.
Free online JSON to CSV converter. Paste a JSON array of objects and get a clean CSV file. Download as .csv or copy to clipboard. Handles nested objects and special characters.
Free online HTML to Markdown converter. Paste HTML and get clean Markdown output. Supports headings, lists, links, images, tables, code blocks, and blockquotes.
Free online JSON to YAML and YAML to JSON converter. Convert between the two most popular configuration formats instantly.
Free online CSV to JSON converter. Paste CSV data and get clean JSON output. Auto-detects delimiters, supports headers and quoted fields.
Free online number base converter. Convert between binary, octal, decimal, and hexadecimal. Shows bit count and signed/unsigned values.
Free online Markdown to HTML converter. Convert Markdown to clean HTML code with live preview. Copy raw HTML or see rendered output.
Generate UUID v4 identifiers and compute MD5, SHA-1, SHA-256, SHA-512 hashes instantly.
Format, beautify, minify, and validate JSON with collapsible tree view and error detection.
Build and fire HTTP requests from your browser. Supports GET, POST, PUT, PATCH, DELETE. Query params, custom headers, auth (Bearer, Basic, API key), JSON/form body, and response inspection.
Encode and decode Base64 text and files with UTF-8 support and image preview.
Free online URL encoder and decoder. Encode or decode URL components (encodeURIComponent) and full URIs (encodeURI). Supports percent-encoding for query strings, path segments, and special characters.
Free online HTML entity encoder and decoder. Convert special characters like &, <, >, and quotes to HTML entities and back. Supports named and numeric entities.
Free online image to Base64 converter. Drop an image and get Base64 encoded strings as data URI, raw Base64, CSS background, or HTML img tag. Supports PNG, JPG, GIF, SVG, WebP.
Free online Markdown preview tool. Write Markdown and see it rendered as HTML in real-time with a side-by-side editor. Copy the generated HTML. No server processing.
Free online CSS minifier and beautifier. Compress CSS to reduce file size or format minified CSS for readability. Shows size savings. All processing in your browser.
Free online SQL formatter and beautifier. Format messy SQL queries with proper indentation and keyword highlighting. Supports SELECT, INSERT, UPDATE, CREATE, and more.
Free online JavaScript minifier and beautifier. Compress JS to reduce file size or beautify minified code for readability.
Free online XML formatter, beautifier, and validator. Format messy XML with proper indentation and validate against XML specification.
Free online password generator with configurable length, character types, strength meter, and bulk generation. Uses cryptographically secure random values. All processing happens in your browser.
Free online QR code generator. Create QR codes from text or URLs with custom colors and sizes. Download as PNG. No data sent to any server.
Free online CSS gradient generator. Create linear, radial, and conic gradients visually with color pickers, angle control, and preset palettes.
Free online CSS box shadow generator. Design shadows visually with multiple layers, inset support, and live preview. Copy CSS code instantly.
Free online CSS border radius generator. Control each corner individually. Create circles, pills, leaves, and organic shapes with live preview.
Free online favicon generator. Upload an image and generate all favicon sizes (16x16, 32x32, 180x180, 192x192, 512x512). Download PNGs and get HTML code.
Free online CSS flexbox generator. Build flex layouts visually with container and item controls. Adjust direction, justify, align, wrap, and gap with live preview.
Free online CSS Grid generator. Define rows, columns, gaps, and cell sizes visually. Presets for holy grail, sidebar, card grid, and magazine layouts.
Free online CSS animation generator. 16 animation presets including fade, slide, bounce, spin, shake, flip, wobble, and jello. Customize duration, timing, delay, and direction.
Free online CSS text shadow generator. Multi-layer shadows with presets for glow, neon, fire, retro, 3D, and emboss effects. Live preview with customizable text.
Generate a production-ready .gitignore file by selecting your stack. Supports Node, Python, PHP, Laravel, React, Vue, Docker, and 30+ more technologies.
Drag anchor points to build any CSS clip-path shape. Polygon, circle, ellipse, and inset with presets and live preview.
Paint named grid areas visually by clicking and dragging cells. Generates grid-template-areas CSS with column, row, and gap controls. 8 layout presets included.
Generate production-ready Nginx or Apache configs for static sites, PHP, reverse proxy, and Node.js. SSL, gzip, security headers, caching, and WebSocket support.
Generate Dockerfiles and docker-compose.yml for Node.js, Next.js, PHP, Laravel, Python, Django, and Go. Multi-stage builds, non-root user, healthchecks, MySQL, PostgreSQL, Redis, and Nginx services.
Build nested HTML layouts visually with a tree editor. Generate Tailwind HTML, plain HTML+CSS, React JSX, Vue SFC, or NativeWind output. Up to 10 levels deep.
Compress and convert images to WebP, JPG, or PNG. Quality slider, resize controls, before/after preview, and size savings display. 100% browser-based.
Paste or upload an SVG to strip editor metadata, comments, empty groups, default attributes, and whitespace. Side-by-side preview, size savings display, and a diff of what was removed.
Preview how your page looks on Google, Facebook, Twitter/X, and LinkedIn. Fill in meta tags manually or fetch from any URL. Generates ready-to-paste HTML tags.
Build cron expressions with a visual editor. See next run times and human-readable descriptions.
Test regular expressions with real-time match highlighting, capture groups, and a cheat sheet.
Free online diff checker. Compare two text blocks and see additions, removals, and unchanged lines highlighted with line numbers. Uses LCS algorithm for accurate results.
Free online slug generator. Convert titles and text into clean, SEO-friendly, URL-safe slugs. Supports custom separators, transliteration, and bulk mode.
Generate placeholder text for your designs. Paragraphs, sentences, words, or list items with HTML wrapping.
Free online word counter. Count words, characters, sentences, paragraphs, and reading time. Keyword density analysis included.
Free online chmod calculator. Set Unix file permissions visually with checkboxes. Get numeric and symbolic notation with ready-to-use commands.
Free online text case converter. Convert between uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case, PascalCase, and more.
Free online word frequency analyzer. Count word occurrences, analyze n-grams, measure lexical density, and export results as CSV.
Free online string reverser. Reverse characters, words, or lines. Flip text upside down, mirror text, or reverse each word individually.
Free online duplicate line remover. Remove duplicates, sort lines, trim whitespace, and clean up text files. Case-sensitive option included.
Convert Unix timestamps to dates and back. Live clock, timezone support, relative time display.
Free online meta tag generator. Create HTML meta tags for SEO, Open Graph (Facebook), and Twitter Cards. Get copy-paste-ready code for your page head.
Free online Open Graph tag generator. Create OG meta tags for perfect social media previews on Facebook, LinkedIn, Twitter, and more.
Free online robots.txt generator. Create and download a robots.txt file with presets for WordPress, Laravel, and custom setups.
Free online HTTP status code lookup. Search by code number, name, or description. Covers all 1xx-5xx codes with examples and explanations.
Free online .htaccess redirect generator. Create 301/302 redirects, force HTTPS, add/remove www, trailing slashes, and regex patterns.
