UUID Generator
API próximamenteGenerate RFC 4122 v4 UUIDs in bulk using the browser crypto API. No server, no duplicates.
UUID Generator
- 07c46881-29cc-4596-8e0e-ba0cc17cd75a
- eec8e017-37d6-4267-a1d0-3741dca0c944
- 1e9094a6-945d-4d10-bbc3-494941b39d64
- a1d43fda-d739-4369-a14a-3a2fdee47d24
- 6bf6f1cc-c88e-44f4-b774-5fa00ab666de
- 5aabb4a6-cbb8-4689-ae27-3652c1b28274
- 51ad8aed-3665-4194-94bd-cbac7aed668f
- 8397c79f-059b-49d0-9c9a-ccd1061b6dd5
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A UUID (Universally Unique Identifier) is a 128-bit label that's practically guaranteed to be unique across systems without coordination. UUID v4 — the kind this tool generates — is built from 122 random bits plus 6 fixed bits, giving 5.3 × 10^36 possible values. Collisions are astronomically unlikely unless your random source is broken.
This tool uses the browser's built-in crypto.randomUUID() API when available and falls back to a CSPRNG-based implementation otherwise. The randomness is cryptographically strong — far better than Math.random() — so the IDs are safe for security tokens, session IDs, and primary keys.
Generate one UUID or a thousand in a single click. Each result is shown with a one-click copy button and the full hex/UUID form is preserved. No server, no analytics, no log.