UUID Generator
Create unique UUID v4 identifiers one at a time or in bulk.
About this tool
The UUID generator creates version 4 unique identifiers using the browser’s built-in cryptographic generator. Get up to 1000 at once, with or without hyphens.
How to use it
- 1Choose how many UUIDs you need.
- 2Pick the case and hyphen options.
- 3Press “Generate”, then copy or download the list.
FAQ
Can two UUIDs collide?
In theory yes, but the chance is so small it is ignored in practice: a v4 UUID has 122 random bits.
Is the UUID Generator free?
Yes, completely free with no sign-up and no usage limits.
Are my files or text uploaded anywhere?
No. Everything runs right in your browser: your files and text are never uploaded, never stored by us and never seen by anyone but you.
Does it work on a phone?
Yes, it works in any modern browser on phones, tablets and computers.
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