UUID / GUID Generator
Generate cryptographically random UUID v4 identifiers. Choose quantity and format options.
Quick UUID
What is a UUID?
🔑 Universally Unique
UUID v4 uses 122 random bits — collision probability is astronomically small.
💾 Database Keys
Use UUIDs as primary keys in distributed databases.
🔐 Secure Tokens
Generate session tokens, API keys, and unguessable file names.
⚡ Crypto Random
Uses browser's crypto.randomUUID() for secure generation.