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🆔UUID Generator

UUID Generator
About

Generate Universally Unique Identifiers (UUIDs). Version 4 generates cryptographically random UUIDs. Version 1 generates timestamp-based UUIDs.

UUID Format

xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

Where x is a random hex digit and y is 8, 9, a, or b.

Use Cases
  • Database primary keys
  • API request identifiers
  • Session tokens
  • Component keys in React/Vue
About This Tool

Free online UUID generator. Generate UUID v4 (cryptographically random) and UUID v1 (timestamp-based). Batch generate up to 100 UUIDs. Output in lowercase, uppercase, no-dash, or braces format.

  • Free to use, no registration required
  • Works entirely in your browser
  • No data sent to servers
  • Accessible on desktop and mobile
Use Cases
  • Homework and assignments
  • Exam preparation
  • Classroom demonstrations
  • Research and analysis
  • Quick calculations
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