UUID Generator

Generate random UUIDs quickly for development, testing, and data setup. No upload, no account.

Generate one or more UUIDs to see the result here.

How to use this tool

What this tool does and how it can help.

A UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify resources across systems. It is commonly used where unique, hard-to-guess IDs are needed.

  • Populate test databases with unique identifiers.
  • Generate identifiers for API payloads and objects.
  • Create keys for frontend/backend workflows and integrations.
  • Prepare sample data quickly during development and QA.

This tool uses your browser crypto APIs and does not upload data. UUID generation is done locally and is intended for development/testing workflows.

FAQ

What is a UUID?
A UUID is a globally unique identifier used to label objects, records, and resources with a low chance of collision.
Is this UUID generator secure?
The tool uses `crypto.randomUUID()` from the browser and is suitable for common development and test use cases.
What version of UUID does this tool generate?
This tool generates UUID version 4 values.
Can I generate multiple UUIDs at once?
Yes. Use the quantity selector to generate 1, 5, or 10 UUIDs per click.

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