Generate random UUID v4 identifiers. Bulk generate multiple UUIDs and customize format options.
61a74ec0-e568-47bf-aa6d-a9a39f5dd000Choose UUID version and format.
Click to generate one or multiple UUIDs.
Copy individual or all UUIDs.
UUID v4 is a randomly generated 128-bit identifier with extremely low collision probability.
They're essentially the same thing. GUID is Microsoft's term for UUID.
The probability of collision is astronomically low — about 1 in 2^122.