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Generate UUIDs

Generate UUIDs in v4 (random) and v7 (timestamp) formats with bulk generation support. Paste production code, API keys, tokens.

1
Choose version
Select UUID v4 (random) or v7 (timestamp-ordered)
2
Generate
Click to generate one or multiple UUIDs
3
Copy
Copy individual UUIDs or the entire batch

Frequently Asked Questions

What is the difference between v4 and v7?

v4 is fully random. v7 includes a timestamp prefix for sortable, time-ordered identifiers.

Can I generate UUIDs in bulk?

Yes. Generate up to 1,000 UUIDs at once and copy or download the list.

Is it safe to paste production data?

Yes. UUIDs are generated locally via the Web Crypto API. None of the generated values are logged or cached server-side, which matters when you generate IDs that will be used in production immediately.

Tool history

Updated Jun 3, 2026 · 10 updates
  • Jun 3, 2026featper-tool OG images for all 75 tools + lengthen 20 short metas (#614)
  • May 29, 2026featmobile responsive pass + design-system consolidation (#564)
  • May 23, 2026feattips on all 60 tools + HowToTip rich-result schema (#450)
See full history →
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