Developer Toolkit
A clean, fast collection of essential developer tools. Just the tools you need to get work done.
JSON Formatter
Format, validate, and minify JSON data
Base64 Encoder/Decoder
Encode and decode text or files to/from Base64 format
URL Encoder/Decoder
Encode and decode URLs for safe transmission
Hash Generator
Generate MD5, SHA-1, SHA-256, and other hash values
RegEx Tester
Test and debug regular expressions with real-time matching
UUID Generator
Generate unique identifiers in various formats
JWT Decoder
Decode, verify, and create JSON Web Tokens
Unix Timestamp
Convert between Unix timestamps and dates
Color Converter
Convert between HEX, RGB, HSL, and other color formats
SQL Formatter
Format and beautify SQL queries
Markdown Editor
Write and preview markdown with real-time rendering
Diff Checker
Compare two texts and highlight the differences
Lorem Ipsum
Generate placeholder text for designs and mockups
Password Generator
Generate strong, secure passwords with custom options
HTML Minifier
Minify HTML code to reduce file size
Why Developer Toolkit?
Fast & Lightweight
All tools run locally in your browser. No server requests, instant results.
Privacy First
Your data never leaves your browser. All processing is done locally.
Always Free
Free forever. No premium tiers, no limitations.