Free Developer Utilities
Format JSON, encode Base64, test regex patterns, decode JWTs, generate UUIDs, compute hashes, and compare text diffs — developer power tools with no signup, no ads.
10 free tools for developer utilities
JSON Formatter
Format, validate, and minify JSON instantly
Base64 Encoder / Decoder
Encode and decode Base64 text and files instantly
Regex Tester
Test and debug regular expressions with live match highlighting
JWT Decoder
Decode and inspect JWT tokens — header, payload, claims, expiry
UUID Generator
Generate UUIDs v1, v4 & v7 instantly in your browser
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files
Text Diff Checker
Compare two texts and highlight the differences instantly
CSV to JSON Converter
Convert CSV files to clean JSON instantly — free, private, no upload
JSON to CSV Converter
Convert JSON arrays to CSV — free, private, instant download
Password Generator
Generate secure, random passwords instantly
More use cases: PDF Editing · Document Conversion · Financial Planning · Image Editing · Content Creation · SEO Optimization · Brand Building.