MPEG Streamclip is a multimedia tool with diverse uses. You can use it, for example, to: open and play almost all multimedia formats, including MPEG files and streams, edit them with copy, cut and paste operations, establish exit and entry points to convert them into multiplexed or demultiplexed files, or even export the video to Quicktime, AVI, DV and MPEG-4 formats.
NOTE: To use this tool for free with Windows XP, you have to download and install
QuickTime on your PC.