AIOBook
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UUID Generator

Generate RFC 4122 version-4 UUIDs for IDs, tokens, and fixtures.

  • UUID v4
  • Bulk generate
  • Copy
UUID Generator illustration

UUID Generator

Generate RFC 4122 version-4 UUIDs for IDs, tokens, and test fixtures.

Uses the browser crypto API when available.

Advantages of UUID Generation

UUIDs give distributed systems unique identifiers without a central counter.

Collision resistant

Safe IDs across services.

API friendly

Use as resource identifiers.

Test fixtures

Generate sample IDs instantly.

Offline capable

Create IDs without a database.

Bulk support

Make many UUIDs at once.

Crypto-backed

Uses browser randomness.

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