UUID Generator
Generate universally unique identifiers (UUIDs) in various formats. Perfect for database records, API keys, and distributed systems.
UUID Version
UUID v4 (Random)
Output Format
Standard (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)
Generate Count: 1
UUID Information
UUID v4Random UUID using cryptographically secure random numbers
Common Uses:General purpose, security-sensitive applications
Advantages:Cryptographically secure, unpredictable
Considerations:Not sortable, slight collision risk
UUID Use Cases
Database RecordsPrimary keys for database tables
API KeysUnique identifiers for API authentication
File NamesUnique file names to prevent conflicts
Session IDsUnique session identifiers for web applications
Distributed SystemsUnique identifiers across multiple servers
Message QueuesUnique message identifiers in messaging systems
RFC 4122 Standard:UUIDs follow the RFC 4122 specification, ensuring compatibility across different systems and programming languages.