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UUID / GUID v4 Generator

Generate RFC-compliant Version-4 UUIDs (Universally Unique Identifiers) in bulk.

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Execution Mode
100% Client-Side In-Browser
Data Privacy
Zero Persistent Storage
Access Policy
Free · No Signup Required
Quantity:

How to Use UUID / GUID v4 Generator

  1. 1

    Select quantity of UUIDs needed.

  2. 2

    Choose format options.

  3. 3

    Click 'Generate UUIDs' and copy list.

Key Features

  • Generate up to 100 UUIDs at once
  • Hyphenated or raw hex format
  • Uppercase / Lowercase options

Benefits

  • Generate guaranteed unique IDs for database primary keys
  • Create API test tokens

Common Pitfalls to Avoid

  • Using non-random numbers for UUID v4 generation.

Data Handling & Privacy Notice

This utility executes entirely client-side in your web browser. No text, calculations, or uploaded data are sent to our servers or stored in any database.

Frequently Asked Questions

The odds are virtually zero (1 in 2^122).

Guides & Articles for UUID / GUID v4 Generator

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