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What is UUID Generator?
Generate UUIDs (Universally Unique Identifiers) in various versions. UUIDs are 128-bit identifiers used as primary keys, session IDs, correlation IDs, and unique references across distributed systems.
Key Features
How to Use UUID Generator
Select UUID version
Choose how many to generate
Click Submit
Copy the generated UUIDs
Common Use Cases
Tips & Best Practices
UUID v4 is recommended for most applications
The probability of collision is astronomically low (1 in 2^122)
Store as BINARY(16) in MySQL for better performance than VARCHAR(36)
Frequently Asked Questions
Which UUID version should I use?
UUID v4 (random) is most common and recommended for most uses. It has effectively zero collision probability.
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