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UUID Generator - Free Online Tool | Shining Toolbox

Generate random UUIDs (v4) instantly. Create unique identifiers for databases, APIs, and applications. Copy with one click.

About UUID Generator

How to Generate UUIDs

  1. Click the generate button (or it generates automatically)
  2. Copy the UUID with one click
  3. Generate multiple UUIDs if needed
  4. Use in your application, database, or API

UUID v4 Format

xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
  • 8-4-4-4-12 character groups
  • The 4 indicates version 4
  • y is one of: 8, 9, a, or b
  • All other positions are random hex characters

Use Cases

  • Database IDs: Primary keys for records
  • API Requests: Correlation and tracking IDs
  • File Names: Unique uploads without conflicts
  • Sessions: User session identifiers

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