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UUID Generator

Generate random UUID v4 values in bulk, with or without hyphens.

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Private by design: your files are processed inside your browser and are never uploaded to our server.

About UUID Generator

Generate random version 4 UUIDs in bulk for databases, APIs and tests, using your browser's secure random generator.

How to use UUID Generator

  1. Step 1Enter your values or text in the tool above.
  2. Step 2The result updates instantly as you type.
  3. Step 3Copy or download the result.

Questions & answers

Can two UUIDs ever be the same?

Practically never. Version 4 UUIDs have 122 random bits.

Is UUID Generator free?

Yes. Every tool on this site is free to use, with no signup, no watermark and no daily limit.

Does it work on mobile?

Yes. It works in Chrome, Safari, Edge and Firefox on Android, iPhone, Windows and Mac.

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