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ID UUID Generator

Generate random version 4 UUIDs for software, databases, testing and distributed identifiers without contacting a UUID service.

🔒Private by DesignYour entries stay in this browser. Nothing you type into this tool is uploaded to WispData.
Result
Ready.
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How to use the UUID Generator

  1. Choose how many UUIDs you need.
  2. Generate the identifiers.
  3. Copy them into your application, test data or database.

About this tool

A UUID is a 128-bit identifier designed to have an extremely low probability of accidental collision. Version 4 UUIDs derive their variable bits from random data.

WispData puts the interactive tool first and performs the calculation or transformation in your browser whenever possible. No account is required.

Common uses

  • Database identifiers
  • API test data
  • Distributed systems
  • Development fixtures

Frequently Asked Questions

What does UUID stand for?

Universally Unique Identifier.

Are UUID v4 values guaranteed unique?

No finite random identifier is mathematically guaranteed unique, but the collision probability is extraordinarily small when generated correctly.

Are UUIDs generated on the server?

No. This tool uses browser-side secure randomness.

Does WispData store what I enter?

No. This tool is designed to process the values you enter locally in your browser unless a page explicitly says otherwise.

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