UUID Generator
Generate UUID v4 and short IDs.
Runs in your browserUpdated Nov 1, 2026Free forever
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How to use the UUID Generator
1
Set up the tool
Adjust the controls for the output you need. Most utilities show a live preview.
2
Fine-tune the result
Use the generated code, measurement or artifact and iterate until it fits your context.
3
Copy or export
Copy the value or download the file. Nothing is persisted after you close the page.
What UUID Generator is for
Create single or bulk UUID v4 identifiers with optional uppercase formatting. Randomness comes from the browser's cryptographic generator.
The UUID Generator is part of the Utilities collection on ToolFlow. It is designed for one concrete job: generate UUID v4 and short IDs. Everything runs client-side, so you can use it with sensitive material without creating a copy on someone else's server.
Common use cases
- Seed a database
- Assign request IDs
- Mock API fixtures
Good to know
- No account is required, and there is no usage limit on the browser tool.
- Processing happens locally. Files are read from disk and the result is written back to your downloads folder.
- Results are reproducible: the same input and options produce the same output, with no hidden server round-trip.
- If the tool needs a live data source, the page states it explicitly instead of silently failing.
UUID Generator FAQ
The questions people ask before using this tool.
No. State lives in the page and disappears when you close it. Nothing is written to a server database.