Developer Tools
Essential online tools for developers - encode, decode, generate, and convert
JSON Converter
Format, validate, and convert JSON online
Base64 Encode/Decode
Encode and decode text to and from Base64 format online
URL Encode/Decode
Encode and decode URLs and query strings online
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online
UUID Generator
Generate random UUIDs (v4) instantly
Color Converter
Convert colors between HEX, RGB, and HSL formats
Timestamp Converter
Convert between Unix timestamps and human-readable dates
Password Generator
Generate strong, secure passwords with customizable options
Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and any base (2-36)
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) online
Regex Tester
Test regular expressions with real-time matching and group highlighting
Crontab Generator
Generate and parse cron expressions with visual builder
Markdown Preview
Live Markdown editor with side-by-side preview
JSON Diff
Compare two JSON objects and find differences
CSV Tools
Convert between CSV and JSON formats with table preview
SQL Formatter
Format, beautify, and minify SQL queries online
Code Formatter
Format and beautify HTML, CSS, JavaScript, and XML code online