UUID v5 Generator
Generate deterministic version-5 UUIDs from a name + namespace (SHA-1). Everything runs on your device — fast, free, and private.
The result will appear here…
Everything runs in your browser. Your data is never sent to our servers.
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Example
Example Input
name=example.com, namespace=DNS
Example Output
2ed6657d-e927-568b-95e1-2665a8aea6a2
How to Use
- 1Fill in the input and/or set "More settings" as needed.
- 2Click the Generate button (or press Ctrl+Enter).
- 3Copy the result with the Copy button.
About UUID v5 Generator
UUID v5 is as deterministic as v3 but uses SHA-1 as its hash function, which is generally preferred over MD5. The same name + namespace always yields the same UUID.
Use v5 to map stable external identifiers (URLs, emails, keys) into a UUID that is consistent across systems without storing a mapping table.
FAQ
Is any data sent to a server?
No. UUID v5 Generator runs entirely in your browser — everything is generated locally and never uploaded to our servers.