About this tool
Cryptographically secure v4 UUIDs, generated in your browser via the Web Crypto API. Useful for seeding databases, generating test IDs, or scripting migrations.
How it works
- Click Generate for a single UUID, or set a bulk count.
- Copy one or export all as a newline-separated list.
When to use it
- Seeding local dev databases.
- Generating stable IDs for prompt templates or workflow runs.
- Creating idempotency keys for API calls.