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About UUID Generator
Generate universally unique identifiers (UUIDs) in v4 format. UUIDs are 128-bit numbers used to uniquely identify resources in distributed systems. Perfect for database primary keys, API tokens, session IDs, and more. Generated entirely in your browser using secure random numbers.
How to Use
- 1Click "Generate" to create a new UUID
- 2Click on the UUID to copy to clipboard
- 3Generate multiple UUIDs at once with batch mode
- 4Select your preferred format (standard, no dashes, etc.)
Key Features
- Version 4 (random) UUID generation
- Standard format (8-4-4-4-12)
- No-dash format option
- Uppercase/lowercase toggle
- Bulk generation (up to 100 at once)
- Copy all with one click
- Cryptographically secure random generation
Common Use Cases
Database primary keysAPI request/response identifiersSession tokensTemporary file namesDistributed system object IDs
Privacy First
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.