Skip to content
sconehead

UUID Generator

Generate RFC 4122 version 4 UUIDs in your browser.

Stays on this deviceGenerated UUIDs are created locally in your browser and are not sent to our servers.

How to use

  1. Choose how many UUIDs to create.
  2. Set uppercase and hyphen options.
  3. Generate and copy.

Example

550e8400-e29b-41d4-a716-446655440000

UUID Generator

UUIDs are generated with crypto.randomUUID(). You can create multiple values and toggle uppercase or hyphens.

FAQ

Which UUID version is this?
Version 4 (random).
Is Math.random used?
No. Generation uses cryptographically strong browser APIs.

Related tools

Developer

JWT Decoder

Decode a JWT header and payload locally. Signature is not verified.

Generator

Random String Generator

Generate a random string from a custom character set.