Also for transcoding from the CLI look into ffmpeg, it can be a bit intimidating by the number of options there are, but you should be able to find some guides online.

Originally Posted by Ronin21

You can do this in windows using x264 cli or any x264 gui's like handbrake, staxrip, hybrid...etc. You can read more about these softwares on doom9. It's not really a good idea to use an already compressed encode as the source. Get the full bluray or remux and use x264 to create an sd encode.

i dont have a windows machine ( if i had it will be so easy to do the job ) , i had a ubuntu ssh terminal with root access and a very slow connection so i cant download a full hd movie and i want to convert them so i can download them

many thanks in advance i already done it (( https://trac.ffmpeg.org/wiki/Scaling...0with%20ffmpeg ))