You may need to open SRT Files in Windows 11/10, to use it with a video player so that the subtitles will play along with the movie.

Files with a CFG or a CONFIG extension are used to modify the configurations and parameters of computer programs. Free tools to open them!

It's not suitable for very large files, but you can set the dimensions, select from a list of presets, and position the crop area yourself. Which free video editing software do YouTubers use?