UUID Generator | Free Online Unique Identifier Tool

UUID Version

UUID Format

Number of UUIDs: 5

UUIDs (Universally Unique Identifiers) are 128-bit identifiers that are unique across both space and time, with very low probability of collisions.

Version 4 (Random): Uses random or pseudo-random numbers for generation. Best for most applications.
Version 1 (Timestamp): Uses the current timestamp and the MAC address of the computer. Good for chronological sorting.

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