Video & Audio Merge is a tool that allows you to merge video and audio files into one file. Usefull for merging separate video and audio files downloaded from webpages such as Youtube.

Some times the video or audio files are corrupted, then the video and audio will not be merged. In this case, it is recommended to try to fix the file with ffmpeg.

Some times the mp4 file may be corrupted. In this case, it is recommended to try to fix the file with ffmpeg.