Free Utility Browser tool

UUID Generator

Create random UUID/GUID values in batches.

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Quick facts

  • Best for
    fast everyday workflows
  • Result
    copy-and-paste output
  • Note
    Runs in your browser with no sign-up required.

About this Tool

UUID (or GUID) is a unique 36-character ID made of random numbers and letters. It helps name files, database records, or accounts so two items never get confused.

Why people use this tool

  • Generates guaranteed unique IDs that will never overlap with anyone else.
  • Create up to 100 unique IDs at once with a single click.
  • Option to choose uppercase or lowercase letters depending on your project needs.

How to use it

  1. Choose how many UUIDs you need (1 to 100).
  2. Select uppercase or lowercase formatting.
  3. Click 'Generate' and copy your brand new IDs.

Frequently Asked Questions

It looks like a long string separated by hyphens, such as 123e4567-e89b-12d3-a456-426614174000.

Mathematically, the chance of generating identical UUIDs is practically zero.

This tool creates Version 4 UUIDs, which are built using random numbers.