UUID Generator

Generate RFC 4122 compliant UUIDs instantly

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Full guide

How UUIDs Work and When to Generate Them

Learn UUID v4 structure, collision risk, bulk generation, hyphen and case formats, and how to use UUIDs safely in databases and APIs.

Read the guide

About UUID Generator

Generate cryptographically random UUID v4 identifiers with one click. Create up to 50 UUIDs at once, copy individually or in bulk, and choose between uppercase/lowercase and with/without hyphens. Essential for developers working with databases, APIs, distributed systems, and anywhere unique identifiers are needed. Runs entirely in your browser with no server calls.

UUID Generator Features

  • UUID v4 generation
  • Bulk generate up to 50
  • Copy single or all
  • Uppercase/lowercase toggle
  • With/without hyphens
  • Works offline

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