UUID Generator
Generate random UUIDs (v4) for your applications and databases.
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How to Use
Click generate
Click the button to create a new UUID.
Copy UUID
Copy the generated UUID to your clipboard.
Features
Frequently Asked Questions
UUID (Universally Unique Identifier) is a 128-bit identifier that's virtually guaranteed to be unique. UUIDv4 uses random numbers.
Yes! You can generate multiple UUIDs at once and copy them all.
UUIDs (Universally Unique Identifiers) are the backbone of modern distributed systems. From database primary keys to API resource identifiers, UUIDs ensure uniqueness across billions of records without coordination. Our generator supports multiple UUID versions for different use cases.
Did You Know?
The probability of generating two identical UUIDv4s is about 1 in 5.3 x 10^36. You'd need to generate 1 billion UUIDs per second for 85 years to have a 50% chance of one collision!
- UUIDv4 is random and most commonly used for general purposes
- UUIDv7 includes timestamp and is better for database indexing
- Never use UUIDs for security tokens - they're not cryptographically secure
- UUIDs are 128-bit values, typically represented as 36 characters
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