Subtitles names don't have to match videos names.You can change default video duration/FPS.You can view media info of each file so you can keep an eye on the video tracks.App for muxing(merging) videos with with many options.
Subtitles names don't have to match videos names.You can change default video duration/FPS.You can view media info of each file so you can keep an eye on the video tracks.App for muxing(merging) videos with with many options.