New answers tagged conversion
You can use ssconvert: ssconvert --export-type=Gnumeric_Excel:excel_dsf "/path/uno.xlsx" "/path/dos.xls"
the best software for your usage willl be Handbrake. It is a very advanced software with lots of options for you to choose. As shown in image you can set any value of width or height of video, in your case height=480p Installation download deb from here. (easy way to go, but you wont get updates) or go by PPA ( for Ubuntu 14.10 and previous versions; ...
I use avidemux. sudo apt-get install avidemux
Top 50 recent answers are included