A great video conversion tool is MPEG Streamclip. It not only converts video, but can also be used to apply effects and trim clips. I’ve only played with it for a short period of time, but it already seems like a must-have tool for video editors.
Related: How to compress to DVPAL in MPEG Streamclip?, MacMost Now 571: Compressing Video With MPEG Streamclip, What is the correct way to convert to dvd?, Converting avi to mov or mpeg, MacMost Now 265: Making the MacMost Now Video Podcast.
