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UUID Generator

Generate random, secure v4 UUIDs locally in bulk for development and database seeding.

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Guide

Usage, privacy, and related tools

Best for

  • Database migrations
  • Generating dummy IDs
  • Software testing

Privacy

UUIDs are generated client-side using the Web Crypto API ensuring uniqueness and privacy.

Quick tips

  • You can generate up to 10,000 UUIDs at a time for bulk database inserts.
  • Use the hyphen-less option for compact database storage.

How to use this tool

  1. Select how many UUIDs you need.
  2. Toggle formatting options like hyphens or uppercase.
  3. Click Generate and copy your identifiers.

Common questions

Are these UUIDs guaranteed unique?

Yes, version 4 UUIDs are randomly generated with collision probabilities so low they are practically impossible.

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