UUID / GUID Generator

Generate random RFC 4122 v4 UUIDs individually or in bulk (up to 50 at once) with uppercase and hyphen customization options.

Your inputs are calculated locally in your browser. No personal data is sent across the network.

Quantity (1-50)

UPPERCASEInclude Hyphens

Generated UUIDs (5)

258850b3-acc0-4173-889d-d5aff6063670

838ba73c-a147-4d1b-ae2d-6aef8451bc9c

5c22b4cc-bbae-48a2-801e-bc5202bb5859

209bec2e-59f2-4ced-b75d-767091ff5a5c

9d88c377-6975-4e20-ba30-014a0b9c64ec

How to use this tool

1Step 1

Select the number of UUIDs to generate.

2Step 2

Configure uppercase or hyphen preferences.

3Step 3

Click Generate and copy individual UUIDs or all at once.

Are generated UUIDs cryptographically random?

Yes, they use the browser's crypto.randomUUID() and crypto.getRandomValues() CSPRNG APIs.

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