✨ New Tools
512 hand-picked tools for modern developers, creators, and doers. No account, completely local. Everything runs perfectly in your browser.
Everything you type stays in your browser. AllTools has zero backend servers. Your text, files, and passwords are never transmitted anywhere. The code runs entirely inside your device using your browser's JavaScript engine.
No waiting for server responses. No API rate limits. No loading spinners on basic operations. Every tool executes at the full speed of your device's processor. Format 10MB of JSON in milliseconds, not seconds.
AllTools is a Progressive Web App (PWA). Install it on your phone or desktop and every tool works even when you have no internet connection. Perfect for developers working on planes, trains, or in areas with poor connectivity.
All 512+ tools are free. There is no premium tier. There is no tool locked behind a paywall. No account required to use any feature. AllTools is supported by non-intrusive advertising. The promise: everything stays free, forever.
Covering 11 categories: AI Tools, Text Tools, Developer Utilities, Math & Calculators, Image Tools, Color & Design, Security & Crypto, Time & Date, Unit Converters, Web & Network, and Games. New tools added regularly based on community requests.
Open AllTools and start using any tool immediately. No email verification, no sign-in wall, no subscription. Your preferences (theme, favorites, notes) are saved locally in your browser using localStorage. You own your own data.
The most-used tools by the AllTools community. All free, all instant, no account required.
Paste unformatted or minified JSON and instantly get a beautifully indented, syntax-highlighted, human-readable version. Validates structure and reports errors.
Generate cryptographically secure passwords with custom length, character sets, and complexity rules. All generation happens locally — passwords never touch a server.
Pick any color and instantly get its HEX, RGB, HSL, and CSS values. Convert between color formats, generate complementary color palettes, and export for design tools.
Write Markdown on the left, see a live HTML preview on the right. Export to HTML or copy the rendered output. Supports GitHub Flavored Markdown including tables and code blocks.
Encode any text or file to Base64 format, or decode Base64 strings back to plain text. Supports URL-safe Base64 encoding for use in web applications and APIs.
Convert Unix timestamps to human-readable dates and vice versa. Shows current epoch time in real time. Supports millisecond timestamps and multiple timezone outputs.
Encode or decode URL components instantly. Handle special characters, spaces, and Unicode in query strings. Essential for web developers building APIs, forms, and redirects.
Create beautiful CSS linear and radial gradients visually. Adjust colors, stops, angles, and directions. Copy the ready-to-use CSS code directly into your stylesheet.
Generate MD5, SHA-1, SHA-256, SHA-512, and other hashes from any text input. Useful for verifying file integrity, creating checksums, and security applications.
Convert between hundreds of units across length, weight, temperature, volume, speed, area, and more. Supports both metric and imperial systems with instant real-time conversion.
Look up geolocation, ISP, timezone, and technical details of any IP address. Also shows your own current IP address, location, and connection details instantly.
Count words, characters, sentences, paragraphs, and reading time in any text. Useful for writers, students, SEO professionals, and anyone needing precise text metrics.