MARZ.tools

UUID Generator

Generate random UUID v4 identifiers in bulk.

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About this tool

Generate cryptographically random UUID v4 identifiers using your browser's native crypto API, one at a time or in bulk.

How to use

  1. Choose how many UUIDs to generate.
  2. Click generate to create them instantly.
  3. Copy a single UUID or all of them at once.

FAQ

How random are these UUIDs?

They're generated with crypto.randomUUID(), which uses a cryptographically secure random number generator.

Can I generate UUIDs without dashes?

Yes, toggle the format to output UUIDs with or without hyphens, and in upper or lower case.

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