UUID Generator
Create cryptographically strong version-4 UUIDs in bulk. Copy as a list for fixtures and seeds.
UUID / GUID generator (crypto-grade)
Generate RFC 4122 version-4 UUIDs with crypto.getRandomValues in your browser. Bulk copy for fixtures, database seeds and API tests—no account.
Frequently asked questions
Are these UUID v4?
Yes—browser crypto.randomUUID() produces RFC 4122 version 4 identifiers.
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