I need a free video file converter that doesn't compromise video quality?

[TheExtraVertsPodcast]

all I use is handbreak. It works really well for compression as well. My 8gb mp4 (720hd) gets compressed to less than a 200mb thanks to that app.

 

[OrbitGuy]

I use handbrake to make sure all of my webcam clips have a constant framerate and it works great. In particular I like how it automatically suggests a new name to save each file after the first one if you are doing lots of files one after each other. Not sure if it does what you need it to do but it works well for me.

 

[Juke Joint Gaming]

for those who dont lose any quality. what settings do you use? could not find a good youtube video on something that actually worked.