How to concatenate 1 MP4 video file with 1 WebM video file into 1 video ?
- Upload a MP4 video file
- Record until the end of the mp4 video. If you want to record just a part of the mp4 video pause then slide the play cursor until the end
- Upload a WebM video file to merge with the previous one
- Record until the end of the video. When the video is ended it will pause by itself
- Download your merged WebM video.