ToolNova

UUID Generator

Generate cryptographically random version 4 UUIDs for use in your code or data.

How It Works

  1. 1Set how many UUIDs you need.
  2. 2Click Generate.
  3. 3Copy or download the list.

Features

  • Uses the Web Crypto API for randomness
  • Generate up to 100 at once
  • Optional uppercase output

Privacy

All processing happens instantly in your browser. Nothing you enter is ever sent anywhere.

Frequently Asked Questions

Version 4 UUIDs use 122 random bits, making collisions astronomically unlikely in practice.

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