Also available in the Chrome extension Every Zase tool also lives in the free Developer Toolkit by Zase extension: fully offline, in a window or the side panel, one keyboard shortcut away.
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About this UUID & ID Generator
The UUID and ID Generator creates batches of UUID v4, time-ordered UUID v7, ULID and Nano ID values, and validates and parses IDs you paste in. Handy for seeding databases, naming test fixtures, or checking whether an identifier from a log line is even well formed.
How to use the UUID & ID Generator
- Pick the ID type and how many you need.
- Generate the batch and copy it as a list.
- Or paste an existing ID to validate its format and see its parts.
Good to know
- UUID v7 and ULID sort by creation time, which keeps database indexes and log files in a sensible order.
- Random values come from the browser crypto APIs, not from Math.random.
- Bulk generation saves the copy, change settings, copy again loop when seeding test data.