Tools by category
Developer tools
Format, validate, and inspect code and data.
JSON Formatter
Format, minify, validate, copy, and download JSON without sending it anywhere.
JWT Decoder
Decode JWT header and payload locally without verifying signatures.
Regex Tester
Test regular expressions with flags, match highlights, and capture groups.
Cron Generator
Build a 5-field Unix cron expression and see the next run times.
SQL Formatter
Format and minify SQL in your browser, then copy or download it.