linux
use this script for making useable screenshots:
$makedir *
$mogrify -path * -format jpg -thumbnail *x* *.bmp
simple Cross-multiplication for size:
if your size is 1650x1050:
1650/100*75 = 1238
1050/100*75 = 788
$makedir jpg
$mogrify -path jpg -format jpg -thumbnail 1238x788 *.bmp
use this script for making useable screenshots:
$makedir *
$mogrify -path * -format jpg -thumbnail *x* *.bmp
simple Cross-multiplication for size:
if your size is 1650x1050:
1650/100*75 = 1238
1050/100*75 = 788
$makedir jpg
$mogrify -path jpg -format jpg -thumbnail 1238x788 *.bmp