Formatters, decoders, converters and generators for code.
Every tool runs in your browser. Nothing is uploaded, nothing to install, no account needed.
15 tools
Validate, prettify and minify JSON.
Popular
Beautify or minify SQL queries.
Octal and symbolic Unix permissions.
Inspect JWT header and payload.
Encode and decode text or images.
Parse URLs and edit query params.
Compare two texts side by side.
Bulk generate v4 UUIDs.
Build cron expressions visually.
Unix epoch to date and back.
Convert CSV files to JSON arrays.
Test regular expressions with live matches.
Convert between YAML and JSON.
Create HMAC-signed JSON Web Tokens.
TypeScript interfaces from JSON.