Free, high-performance web tools built by our team — format code, convert files, generate passwords, crunch numbers and more. Everything runs in your browser with zero tracking.
Convert any file — images, audio, video, documents, fonts, archives, e-books and 3D models — entirely in your browser. Plus mini-tools: Base64, hashes, color converter, QR codes and PDF merge/split. Nothing is uploaded.
Format, beautify, minify and compile 24+ languages — JSON, YAML, SQL, HTML, CSS/SCSS, JS/TS, Python and more — with a built-in dev-tools suite (JWT, regex, cron, UUID, hashes). 100% offline, installable PWA.
Visual CSS generators — gradient, box-shadow, glassmorphism, border-radius, cubic-bezier easing and text-shadow — with a live preview and copy-paste code. Runs 100% in your browser.
Compare two blocks of text, code or JSON side-by-side or inline, with word-level highlighting. Ignore whitespace or case, drop files in. 100% client-side — nothing is uploaded.
Turn a code snippet into a beautiful, syntax-highlighted image — themes, window frames and gradient backgrounds — then export a crisp PNG for X, LinkedIn and slides.
Count tokens for GPT-4o, GPT-4, Claude and Gemini with the exact GPT tokenizer, and estimate API cost — all in your browser, nothing uploaded.
Optimize and minify SVG, encode it to a CSS data-URI, convert it to React JSX, or generate organic blob shapes — 100% client-side.
Format & validate JSON, explore it as an interactive tree, query a path, and convert it to a TypeScript interface or CSV — instantly and privately.
Convert colors between HEX, RGB, HSL and OKLCH, check WCAG contrast ratios, and generate harmonious palettes, tints and shades. Runs 100% in your browser.
Convert length, mass, temperature, data size, speed, time, area and volume — instantly to every unit at once. Fast, accurate and fully offline.
Generate a complete set of SEO, Open Graph, Twitter Card and JSON-LD meta tags with live Google, X and Facebook previews. Copy-ready and 100% private.
Turn an emoji, your initials or an image into crisp favicons at every size, with color, background and rounded-corner controls. Download PNG + SVG and copy the link tags.
Design a field schema and generate realistic fake data — names, emails, UUIDs, dates and more — as JSON, CSV or SQL inserts. Perfect for seeding and testing.
Build a .gitignore from stack presets, generate an open-source LICENSE (MIT, Apache-2.0, BSD, ISC) and craft README badges — the little files every repo needs.
Create strong random passwords and memorable passphrases with a live strength meter and crack-time estimate. Crypto-grade randomness, generated 100% locally.
Percentage, tip, discount, loan & mortgage, BMI and age / date-difference calculators — the everyday calculators you keep searching for, all in one private place.
Turn a link, WiFi network, email or any text into a scannable QR code with custom colors and error correction. Download a crisp PNG or scalable SVG.
Count words, characters, sentences and paragraphs in real time, with reading & speaking time and keyword density. Perfect for essays, articles and SEO.