-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 All thanks for your answers. convert -resize 1024x768 -quality 60 ... is exactly what I was looking for. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFHTgnwxNNzQwmqmn0RAt3KAKCPzYbepvIMbi/RQsbFBnh6gk+wVgCeIBr7 gYTVFjYsEtAZc/vGWb3Pq1M= =2vDY -----END PGP SIGNATURE-----