A Universally Unique Identifier — a 128-bit value written as 36 characters, used to uniquely identify records, files and objects.

Is a GUID the same as a UUID?

Yes. GUID is Microsoft's name for the same format.

What is a version 4 UUID?

A UUID made from random numbers. The chance of two matching is so small it's treated as zero in practice.

Are these UUIDs secure?

They use your browser's cryptographic random generator, but don't use UUIDs as passwords or secret tokens.

Are the UUIDs stored anywhere?

No. They're created in your browser and never sent to a server.

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UUID Generator

Generate random v4 UUIDs/GUIDs in bulk.

How many (1–100)

Uppercase No hyphens

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How to Use the UUID Generator

Choose how many UUIDs you need (1 to 100) and pick uppercase or no-hyphen format if required. Click Generate to create a fresh batch. Copy a single UUID, Copy All, or download the list as a .txt file. Everything is generated securely in your browser.

Frequently Asked Questions

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How to Use the UUID Generator

Frequently Asked Questions

What is a UUID?

Is a GUID the same as a UUID?

What is a version 4 UUID?

Are these UUIDs secure?

Are the UUIDs stored anywhere?

More free tools