Developer
Explore our collection of free developer utilities. All tools process your data locally in your browser to ensure maximum privacy and speed.
Developer
Developer
UUID Generator
Generate standard UUIDs (v4).
URL Encoder/Decoder
Safely encode or decode URLs and parameters.
Color Picker & Converter
Select colors and convert between HEX, RGB, and HSL.
JSON Formatter
Format, beautify, and validate JSON data.
Base64 Encoder/Decoder
Encode and decode strings using Base64.
CSS Gradient Generator
Create and preview beautiful CSS gradients.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes.
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph, and Twitter Cards.
JSON ⇄ CSV Converter
Convert JSON arrays to CSV format, or CSV data into JSON format.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) securely in your browser.
SQL Formatter
Instantly format and beautify minified or messy SQL queries.
XML Formatter
Pretty-print, indent, and format raw XML data.
YAML ↔ JSON Converter
Convert robust YAML configurations to JSON and vice-versa.
Cron Expression Explainer
Translate complex cron syntax into human-readable text.
Diff Checker
Compare two blocks of text or code side-by-side to highlight differences.
Regex Tester
Test and debug regular expressions with live syntax highlighting and match extraction.
HTML Minifier
Minify and compress HTML code to reduce file size and improve load times.
CSS Minifier
Minify and compress CSS stylesheets to reduce file size and improve load times.
JavaScript Minifier
Minify and compress JS code to reduce file size and improve load times.
HTML Beautifier
Format and beautify minified or ugly HTML code to make it readable.
CSS Beautifier
Format and beautify minified or ugly CSS stylesheets to make them readable.
JavaScript Beautifier
Format and beautify minified or ugly JS code to make it readable.
JWT Generator
Create and sign JSON Web Tokens (JWT) locally with a custom payload and secret.
MIME Type Explorer
Search and lookup MIME types by file extension or view associated extensions for a MIME type.
Markdown to HTML Converter
Instantly convert Markdown syntax into raw, formatted HTML code.
HTML to Markdown Converter
Convert raw HTML code into clean, semantic Markdown syntax.
Unix Chmod Calculator
Visually calculate Unix/Linux file permissions for owner, group, and public users.
XML to JSON Converter
Convert raw XML structures into valid JSON objects instantly.