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, Adding a custom title from seashore into iMovie 09 when stock titles already exist, Mac iMovie to Windows PowerPoint – - best way?, How Do I Import VLC Video Files Into My iMovie Project?.
