ImageMagick’s mogrify is a great command line tool to resize images.

You can resize all your JPG images in a folder to a dimension of 800×600 with this command:

mogrify -resize 800×600! *.jpg

You can resize all your JPG images in a folder to a width of 600 and  maintain aspect ratio with this command.

mogrify -resize x600 *.jpg

References
http://www.imagemagick.org/script/mogrify.php
http://www.imagemagick.org/script/command-line-options.php#resize
http://www.novell.com/coolsolutions/tip/16524.html

This entry was posted on Monday, October 29th, 2007 at 12:54 pm and is filed under Imagemagick. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.