Developer Tools Tools

JSON, JWT, SQL, UUID, encoding, and debugging utilities.

Pretty print, minify, validate, and sort JSON online.

Validate JSON syntax instantly in your browser.

Decode JWT header and payload segments without verification.

Generate UUID v4 values in bulk.

Beautify SQL for MySQL, PostgreSQL, and generic SQL.

Convert colors between HEX, RGB, and HSL.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

Convert JSON arrays to CSV with flattened nested objects.

Convert JSON to YAML with nested object support.

Compare two JSON documents side by side.