Free UUID Generator — Random UUID v4
Choose how many UUIDs you need and copy them.
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How to do it
- 1Choose your settings
Fill in the details or pick the options you need.
- 2See the result
The preview updates right away as you change things.
- 3Download or save it
Save the result to your device. Nothing is sent to or stored on a server.
About this tool
Generate unique identifiers for databases, tests and software. Make up to 50 at once, in lowercase or uppercase, with or without dashes. They come from your browser’s secure random generator.
Frequently asked questions
Are UUIDs really unique?
Version 4 UUIDs are random, and the chance of two being the same is so small it is ignored in practice.
Which version is made?
Version 4, the random kind.
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