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UUID Generator

Generate cryptographically secure random UUID version 4 identifiers individually or in batches, then copy, share or download them.

UUIDs are generated locally in your browser and are not uploaded or stored by Wid9et.

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How to use UUID Generator

  1. 1Choose how many UUIDs to create.
  2. 2Optionally switch letters to uppercase.
  3. 3Generate and copy the complete list.

Useful tips

  • •Use one UUID per record or object.
  • •Generate in batches when populating test data.
  • •Treat identifiers as identifiers, not passwords.

Frequently asked questions

Which UUID version is generated?

Version 4 random UUIDs.

Are they secure random values?

They use the browser cryptographic random generator.

Can it guarantee no collision?

No system can promise that absolutely, but UUID v4 collisions are extraordinarily unlikely.