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UUID Generator

Generate various versions of UUID/GUID.

Generators
Generated UUIDs0 items
Click "Generate" to create UUIDs

What is a UUID Generator?

UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information. UUIDs are designed to be globally unique without requiring a central authority.

UUID Versions

  • UUID v4 (Random): Generated using random numbers, most commonly used
  • UUID v1 (Time-based): Based on timestamp and MAC address
  • NanoID: Shorter, URL-friendly unique IDs

Use Cases

  • Database Primary Keys: Unique record identifiers
  • Session IDs: User session management
  • File Names: Unique file identifiers
  • API Tokens: Request tracking and authentication