Online Video Combiner is aimed at combining different clips into a single piece. Free software to merge video files. A standardized video file type such as. Webm is a profile specified by a restriction on which container format and which video and audio compression formats are allowed. The application can mix various video types via the web without the need to set- up anything in your device.To use this app simply: you just have to move the cursor and mark the beginning of the video that you will split. You can merge, trim, cut, split, rotate, reverse or overlay a video by yourself within few simple clicks. May 27, · Simple Video Trim & Merge is an easy- to- use video editing tool to help you split and merge your videos. Use this tool instead of open each file and copy the content to paste it to one single file. You can use this online video merger program to merge MP4 files, merge MKV files, merge AVI files, merge MPEG files or.