DevConverter converts your video files online. Amongst many others, we support MP4, WEBM and AVI. You can use the options to control video resolution, quality and file size.
M2TS is a video format that streams Blu-ray Disc Audio-Video (BDAV). This container is based on MPEG-2 that supports HD (720 and 1024) frames. Sometimes M2TS is used in AVCHD format. It is mainly used to save high definition video and audio in Blu-ray discs.