UUID generator
Generate version 4 UUIDs with browser cryptographic randomness. Generation is local.
No uploads. No account. Free to use.
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- Files never leave your device
- Runs entirely in your browser
- No signup required
- Free
What is UUID generator?
The UUID generator creates RFC 4122 version 4 IDs with crypto.randomUUID, in bulk if you want.
How to use it
- Choose how many UUIDs to create.
- Each uses crypto.randomUUID().
- Copy or download the list.
When to use it
Fixture IDs and client keys. Randomness comes from the browser, not a UUID “API.”
Frequently asked questions
Are my files uploaded?
No. This tool runs in your browser. Files and text stay on your device and are not sent to our servers.
Does this use AI?
No. It is a deterministic utility. There is no model and no third-party processing of your data.
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