local-only

UUID Generator

Generate v4 UUIDs in bulk.

🔒 local memory only
Initializing UUID Generator in local browser environment…

How to use UUID Generator

  1. Specify the number of UUIDs to generate (from 1 to 100).
  2. Toggle uppercase/lowercase formatting.
  3. Click "Generate" to produce cryptographically random RFC 4122 v4 UUIDs.
  4. Copy all generated UUIDs or download them as a .txt file.

Why use this local-first tool?

  • Generates cryptographically strong random numbers via crypto.randomUUID and getRandomValues.
  • Zero server generation means zero collision logging or replay tracking.

Frequently Asked Questions

Are these UUIDs truly random?

Yes. They follow RFC 4122 Version 4 using your operating system cryptographic entropy pool via crypto.getRandomValues.

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