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UUID Generator

Create universally unique identifiers for databases, APIs and tests.

Runs in your browser · files never leave your device

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What you get with the UUID Generator

  • UUID v4 (random), UUID v7 (time-ordered), ULID, NanoID, short base-62 IDs and the nil UUID
  • Up to 1000 IDs at a time with an optional prefix
  • Uppercase, no-dash and {braces} options
  • Output as lines, JSON array, CSV, SQL INSERT or .env lines
  • One-click copy and file download

How to use the UUID Generator

  1. 1

    Choose how many UUIDs you need and the format.

  2. 2

    Copy them all with one click.

Frequently asked questions

Are my files uploaded to a server?+

No. This tool runs entirely in your browser - your files never leave your device, so it is private and works even on a slow connection.

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