About UUID V7
Generate Version 7 UUIDs with timestamp-based sorting. Best for databases and time-series data with excellent index performance.
Version 7 combines timestamp ordering with randomness, providing better database performance through improved index locality while maintaining uniqueness.
Frequently Asked Questions
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems. It is also known as a GUID (Globally Unique Identifier) in Microsoft systems.
When should I use UUID V7?
Version 7 combines timestamp ordering with randomness, providing better database performance through improved index locality while maintaining uniqueness.
Are generated UUIDs truly unique?
Yes, practically unique. The probability of collision is astronomically low, especially for Version 4 and 7 UUIDs, making them effectively unique for all practical purposes.
Is this tool free to use?
Yes, this UUID generator is 100% free and processes everything locally in your browser for maximum security and speed.