INTERACTIVE TOOL
UUID generator
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How to use this tool
- Choose the number of identifiers.
- Generate the batch on your device.
- Copy one identifier per record and preserve its format.
Automatic answerThe result updates while you change the fields.
Worked example
A version-four UUID uses hexadecimal groups in an 8-4-4-4-12 layout.
Assumptions and limits
An identifier is not a password or authorization. Randomness reduces collisions rather than making them impossible.
Frequently asked questions
Are UUIDs saved?+
No. They only appear on the page and disappear when it closes.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
An identifier is not a password or authorization. Randomness reduces collisions rather than making them impossible.