Free UUID Generator Online
Use this free UUID generator to create random version 4 UUIDs. Fast, private, and works directly in your browser.
What is UUID Generator?
UUID Generator creates random version 4 UUIDs using your browser's secure crypto API. UUIDs are useful as unique identifiers for database records, API requests, files, and distributed systems.
How to use this tool
- Choose how many UUIDs you need.
- Click Generate UUIDs.
- Copy a single value or the whole list.
- Generate again for a new batch.
Features
- Generate cryptographically random v4 UUIDs
- Create 1, 5, 10, or 50 at once
- Copy a single UUID or the full list
- No duplicates within a batch
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
Which UUID version is generated?+
Version 4 (random) UUIDs are generated using the browser's crypto.randomUUID API.
Are the UUIDs truly random?+
They use a cryptographically secure random source, which is suitable for unique identifiers.
Do you store the generated UUIDs?+
No. They are generated in your browser and never saved or sent anywhere.
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