If you have a large collection of videos and a video-capable portable device, this might be the perfect app for you.

ImTOO MPEG Encoder Ultimate provides you with a straightforward tool to convert video files between a wide array of formats, with special attention to mobile devices, handheld consoles and multimedia players such as iPod, iPhone, iRiver and Zune. All supported formats are saved as profiles that you simply choose from a drop-down list, though you can also create your own format profiles by tweaking a few settings.

Besides converting, ImTOO MPEG Encoder Ultimate includes some extra tools with which you preview the video, take a snapshot, add special effects, trim the image or even add a watermark to it. Too bad the program was so unstable during our tests: it crashed every now and then without any apparent reason.

Despite these crashes, ImTOO MPEG Encoder Ultimate is a very complete video converting tool that well deserves a try.