UUID Generator
Generate random UUIDs instantly. Choose version, format, and quantity.
About This Tool
Generate universally unique identifiers for databases, APIs, file names, or any system that needs guaranteed-unique IDs.
- UUID v4 — 122 bits of randomness via
crypto.getRandomValues(). The most common version for general use - UUID v7 — time-sorted (48-bit millisecond timestamp + random). Great for database primary keys since they sort chronologically
- Bulk generation — generate up to 100 UUIDs at once
- Multiple formats — standard, no hyphens, braces, or URN notation
- 100% private — generated in your browser using the Web Crypto API, never sent anywhere