From Linux Man Pages
convert input-file [options] output-file
NAME
convert - convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip,
join, re-sample, and much more.
OVERVIEW
The convert program is a member of the ImageMagick(1) suite of tools. Use it to convert between image formats as
well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
For more information about the convert command, point your browser to file:///usr/share/doc/packages/ImageMag-
ick/www/convert.html or http://www.imagemagick.org/script/convert.php.
Run `convert -help' to get a summary of the convert command options.
SEE-ALSO
ImageMagick(1)
COPYRIGHT
Copyright (C) 1999-2006 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see
http://www.imagemagick.org/script/license.php
CATEGORY