DevTools41 Tools

UUID Generator

Web & Dev Client-Side Privacy

Generate v4 UUIDs in bulk with copy-to-clipboard and format options.

Count

Uppercase Hyphens

More Web & Dev Tools

Timestamp Converter

Convert Unix timestamps to human-readable dates and back, with timezone support.

Decode JWT header, payload, and expiry information.

Generate MD5, SHA-1, and SHA-256 hashes from text.

CSS Unit Converter

Convert between px, rem, em, and % units.