Developer Tools
Format, encode, decode and validate data. Essential tools for developers.
JSON Formatter
Format, validate, and minify JSON locally in your browser.
Base64 Encoder
Encode plain text to Base64 format locally in your browser.
Base64 Decoder
Decode Base64 strings to plain text locally in your browser.
URL Encoder
Encode text and URLs to be safely transmitted over the internet.
URL Decoder
Decode URL-encoded strings to plain text locally in your browser.
HTML Entity Encoder
Convert special characters in text into safe HTML entities.
HTML Entity Decoder
Decode HTML entities back to their original characters.
UUID Generator
Generate cryptographically secure UUID v4 values locally in your browser.
Random String Generator
Generate cryptographically secure random strings locally in your browser.
JSON Validator
Validate JSON syntax and structure locally in your browser.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) locally in your browser. View the header, payload, and signature securely without sending tokens to a server.
JWT Encoder
Encode and build unsigned JSON Web Tokens (JWT) locally in your browser. Generate the standard Base64URL JWT structure securely without sending data to a server.
Unix Timestamp Converter
Convert Unix timestamps to dates, and dates to Unix timestamps instantly. Support for seconds and milliseconds entirely locally.
Hash Generator
Generate cryptographic hashes like MD5, SHA-1, SHA-256, SHA-384, and SHA-512 instantly and securely in your browser.
Regex Tester
Test and debug regular expressions instantly. Supports global, multiline, and case-insensitive flags. Execute patterns against text completely locally.
Color Converter
Convert color values between HEX, RGB, HSL, HWB, CMYK, NCol, Tailwind, and Names. Features a visual preview, tonal palette, and native color picker. Processing happens locally in your browser.
Markdown Previewer
Render Markdown safely as a live HTML preview. Supports adjustable layouts, immersive fullscreen mode, standard formatting, tables, lists, and code blocks. Processing happens locally in your browser.
CSS Formatter / Minifier
Format and minify CSS code. Improves readability or compresses CSS structural data. Processing happens locally in your browser.
HTML Formatter / Minifier
Format, beautify, and minify HTML code.
JavaScript Formatter / Minifier
Format, beautify, and minify JavaScript code.
Lorem Ipsum Generator
Generate placeholder text in words, sentences, or paragraphs.