Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes: > $ ffmpeg -i 0.tiff -qscale 0 out1.jpg > $ ffmpeg -i 0.tiff -qscale 2 out2.jpg Sorry for these sample command lines: The default minimal value for qscale is 2, so these commands produce identical output. To get a bigger output file use: $ ffmpeg -i 0.tiff -qmin 1 -qscale 1 out.jpg Carl Eugen