UUID Generator

Generate and validate RFC 4122 UUID v4 values with Web Crypto — nothing is logged or uploaded.

100% In-Browser & Private — your data never leaves this device

PeachTools Pro

Batch processing, unlimited files, ad-free.

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How to use the UUID Generator

  1. Set how many UUIDs to generate (up to 100).
  2. Click Generate and copy or download the list.
  3. Optionally paste a UUID into Validate to check version/variant.

FAQ

Are UUIDs cryptographically random?
Yes. Generation uses the Web Crypto API (crypto.randomUUID / getRandomValues).

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