UUID v4
Generate version-4 UUIDs with crypto.randomUUID.
These are random IDs, not a login and not a checksum.
This makes version-4 identifiers with the browser's random source. They are random IDs. They are not a login, not a checksum, and not a record that this site stores.
- 1Choose how many.
- 2Toggle hyphens and case.
- 3Copy one or all.
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Questions
- Are they version 7?
- No. Version 4 only.
- Can two match?
- The chance is negligible for normal use. This is not a uniqueness database.
- Nothing is uploaded. Closing the tab drops the file.
- The generator is the browser’s crypto API.