UUID version nibble
ClientSee v1/v4/v7 from the third group, no registry.
Extract the version nibble from a UUID string.
About UUID version nibble
Extract the version nibble from a UUID string. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
UUID version nibble: 4 · 550e8400-e29b-41d4-a716-446655440000
Common use cases
- UUID version nibble for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Use q or qb for the main text field when supported.
More tools
Related utilities you can open in another tab—mostly client-side.
UUID validator
ClientValidate UUID and GUID strings: version, RFC 4122 variant, bulk paste—browser-only, no upload.
UUID / GUID generator
ClientRandom UUID v4 values—batch generate, copy, uppercase GUID style, local only.
Nano ID generator
ClientURL-safe Nano IDs—adjust length, batch generate and copy locally.
Luhn checksum (mod 10)
ClientPaste a digit string (spaces ignored)—pass or fail Luhn for PANs, IMEI-style IDs, and test vectors; browser-only.