100% local

UUID & random key generator

Generate UUID v4 values and configurable random strings for development. Everything is created locally with the Web Crypto API: no backend, no uploads and no network calls.

Generator

Use UUIDs for identifiers or random strings for tokens, test data and temporary keys.

Privacy: all values are generated on your device with crypto.randomUUID() and crypto.getRandomValues(). Nothing is sent anywhere.
Characters for random strings
Values: 0 Length: 0 Size: 0 B

Ready.