UUID Generator Online — Free, Bulk UUIDs

Generate random UUIDs instantly in your browser. Copy one UUID or generate a list for database keys, test data and API ids.

Open the free tool → — the tool automatically shows English when your browser language is not Chinese, via the site's built-in language switcher.

How to use it

Open the generator and copy a fresh UUID. Use it as a primary key, a test fixture id, or a unique token in development.

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What is a UUID?

See the tool above for the live result. This page is a short guide, not a replacement for the tool itself.

What is UUID v4?

See the tool above for the live result. This page is a short guide, not a replacement for the tool itself.

Are these UUIDs unique?

See the tool above for the live result. This page is a short guide, not a replacement for the tool itself.