UUID / GUID Generator

Generate RFC 4122 v4 UUIDs in bulk (up to 500 at once) with uppercase and hyphen toggles.

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How to Use UUID / GUID Generator

Generate cryptographically random RFC 4122 version 4 UUIDs (Universally Unique Identifiers) in bulk. Customize formatting with hyphen toggles and uppercase/lowercase letters. Copy all UUIDs with one click or download as a text file.

Frequently Asked Questions

Yes. They are generated using your browser native Web Crypto API (crypto.getRandomValues), ensuring high cryptographic entropy.
Yes, uncheck the "Include Hyphens" box to generate 32-character hex strings.

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