UUID / GUID Generator

Random version-4 UUIDs generated with your browser's cryptographic RNG (crypto.randomUUID()). Nothing is sent to a server.

How many

2a3cf3c4-aafb-4f2b-8658-ff9f1a790b7b
e2f441aa-ecbd-441d-95ce-e1d65eaf93b7
5d89f34e-d6b3-4f5e-90a7-7727cf1912e0
a8fa0971-6c64-4827-bf44-150bc1218b0c
272153da-9c8e-4ed3-9444-ad3a135a4bdf

About UUIDs

A version 4 UUID is a 128-bit identifier made of random bits, written as 36 characters such as 3f1c2a9e-4b7d-4e2a-9c1f-8a6b5d4e3c2b. The chance of two colliding is negligible, so they can be generated anywhere without coordination. This tool uses the browser's crypto.randomUUID().

Frequently asked questions

UUID or GUID?

They are the same thing. GUID is Microsoft's name for a UUID.

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UUID / GUID Generator

About UUIDs

Frequently asked questions

UUID or GUID?

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