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Version 4 Standard
Generates standard cryptographically strong random v4 UUIDs.
Why use this UUID / GUID Generator?
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Bulk Generation
Generate multiple UUIDs at once to save time.
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100% Private
Everything is generated locally in your browser. No server communication.
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One-Click Copy
Easily copy individual UUIDs or the entire generated list.
Frequently asked questions
What is a UUID? ⌄
A Universally Unique Identifier (UUID) is a 128-bit number used to identify information in computer systems.
What is the difference between UUID and GUID? ⌄
GUID (Globally Unique Identifier) is simply Microsoft's implementation of the UUID standard. They are functionally identical.
What version of UUID does this tool generate? ⌄
This tool generates Version 4 UUIDs, which are created using cryptographically secure random numbers.
Are the generated UUIDs unique? ⌄
The probability of a collision (generating the same v4 UUID twice) is practically zero. You would need to generate 1 billion UUIDs per second for 85 years for a 50% chance of one collision.