Free online tool
UUID Generator Online
Generate random UUIDs online for testing, development, databases, and apps. Free browser-based UUID generator with bulk output.
Generated output runs in your browser. Where available, the tool uses Web Crypto; it does not use a physical true-random source and does not intentionally store generated results on our server.
How to use
- Choose how many UUIDs you need.
- Generate the list.
- Copy or export it.
- Use the values in tests or local development.
Examples and use cases
Useful for database test rows, fixtures, mock APIs, local app development, and sample identifiers.
UUIDs are identifiers, not secrets. Do not treat them as passwords or API keys.
FAQ
What UUID version is generated?
Where supported, the browser randomUUID API generates UUID v4 values.
Can I generate UUIDs in bulk?
Yes. Increase the quantity.
Are UUIDs secret?
No. Use a token generator for secret values.
Can I export UUIDs?
Yes. CSV, JSON, and TXT exports are available.
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