adding video to ipad.

ok i might sound like an idiot, but i tried to add a video file to my ipad, and nothing happens.
the file is an mp4 file.
i have looked for solutions and everything just confuses and frustrates me.
i'm losing my patience now.
i even down loaded a converter and it doesnt work for me.
is it just me ?
any help will be much appreciated.
i'm out for some much needed fresh air.

you need to add it in itunes on a desktop and then sync. even then only some will play due to the codecs, drm ect. basically unless you bought it from itunes its hit and miss whether it will work. if you put it in itunes and it wont take it, it wont let you put it on an ipad.
alternatively you could upload it to a cloud server such as dropbox and try and access it from there.
just another reason why i got rid of my apple stuff and went to android.