UUID Generator

Generate Universally Unique Identifiers (UUIDs) in various formats. Perfect for databases, APIs, and distributed systems.

Settings

Configure your UUID generation preferences

UUID Version

Random or pseudo-random UUID

Timestamp and MAC based

All zeros (special case)

1100

Format Options

Generate in uppercase letters

Standard UUID format with dashes

Generate UUID when settings change

⚡ Common Use Cases

Popular applications for UUIDs

Database ID
Primary key for user table
Session Token
Web session identifier
File Name
Unique file identifier
Transaction ID
Payment transaction reference
API Request ID
Request tracking identifier
Cache Key
Distributed cache identifier

💡 UUID Tips

  • ✓Version 4 is most commonly used
  • ✓UUIDs are globally unique identifiers
  • ✓Great for distributed systems
  • ✓No central coordination needed
  • ✓128-bit values ensure uniqueness

Generated UUIDs (0)

Your universally unique identifiers are ready to use

No UUIDs generated yet

Click "Generate UUID" to create your first unique identifier

UUID Validator & Analyzer

Enter a UUID to validate and analyze its properties

UUID Information

UUID Versions

Version 1:Timestamp and MAC address based
Version 4:Random or pseudo-random
Nil UUID:All zeros (special case)

Common Use Cases

  • • Database primary keys
  • • Session identifiers
  • • File and object naming
  • • Transaction IDs
  • • API request tracking
  • • Distributed system coordination