fatresize(1) on Linux
The text c6cf33c434f5, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
Resize an FAT16/FAT32 volume non-destructively
Flags it lists
-
--help -
--info -
--progress -
--quite -
--size -
--verbose -
-h -
-i -
-p -
-q -
-s -
-v