UUID Generator
Mint RFC UUID v4 identifiers for fixtures, request IDs, and local prototypes without opening an IDE.
Runs in your browser · nothing uploaded
How to use this tool
- Paste or type your input in the tool above.
- Run the action and inspect the output.
- Copy the result — nothing was uploaded.
Details
Click Generate to create one or more UUIDs using the browser's cryptographically strong random generator. Copy them into tests, seeds, or API clients.
UUIDs are identifiers, not secrets. Do not treat them as API keys or authentication tokens by themselves.
Frequently asked questions
- Which UUID version is this?
- Version 4 (random) via `crypto.randomUUID()` in supporting browsers.
- Are values uploaded?
- No. Generation happens entirely in your browser.
- How many can I create at once?
- Up to 50 per click to keep the UI readable.