UUID Generator

Free online UUID generator. Create one or many v4 UUIDs in upper or lowercase, with or without hyphens. Copy all with one click. 100% client-side.

How to use the UUID Generator

  1. Open the UUID Generator — it loads instantly in your browser, with no sign-up or install.
  2. Enter your input by typing, pasting or uploading as the tool requires; results update automatically.
  3. Copy or download the result. Nothing you enter leaves your device.

Frequently asked questions

Is the UUID Generator free?

Yes. The UUID Generator on UtilitySuite is completely free, with no account, sign-up or payment required.

Do I need to create an account?

No. Every UtilitySuite tool and game works instantly with no login or registration.

Does my data stay private?

Yes. The UUID Generator runs entirely in your browser — the text, numbers or files you enter are never uploaded to a server.

Can it generate many UUIDs at once?

Yes — create one or many v4 UUIDs in upper or lowercase, with or without hyphens, and copy them all at once.

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UUID Generator
Quantity:
Case: Hyphens:
Generated UUIDs (click row to copy)
Press Generate to create UUIDs…
About UUID v4

A UUID v4 is a 128-bit random identifier defined by RFC 4122. The chance of a collision is so small it can be treated as unique forever.

Format: 8-4-4-4-12 hexadecimal digits.

Special UUIDs:

Nil UUID 00000000-…
Max UUID ffffffff-…

Quick actions:

Ready — set quantity and press Generate utilitysuite.io
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