Generate version 4 (random) or version 7 (timestamp-ordered) UUIDs with the browser's cryptographic randomness — up to 1000 at once, with copy-all and a .txt download. Paste any UUID below to check its version, variant and, for v7, its timestamp.
Privacy ledger
Data acquired
None.
Libraries used
Lit 3 — bundled into the tool file itself.
Data stored
None.
Data transmitted
None.
Use it on your own page
Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.