OPTION A
UUID
Use UUID when standard format compatibility and broad database support matter.
Try UUIDTOOL COMPARISON
UUID vs Nano ID
UUID and Nano ID are identifier formats with different lengths, alphabets, and ecosystem conventions. Collision risk depends on the generator and number of IDs created.
OPTION B
Nano ID
Consider Nano ID when compact URL-friendly identifiers fit your system. Check its alphabet, length, and collision probability for your scale.
Try Nano IDWhat each option does
UUID
Use UUID when standard format compatibility and broad database support matter.
Nano ID
Consider Nano ID when compact URL-friendly identifiers fit your system. Check its alphabet, length, and collision probability for your scale.
How to choose
Use UUID when standard format compatibility and broad database support matter. Consider Nano ID when compact URL-friendly identifiers fit your system. Check its alphabet, length, and collision probability for your scale.
Before relying on a result, check the output with a small sample and confirm that the format or assumptions match your destination. Keep an original copy when converting files or changing data.