ffmpeg subtitles alignment and position - Stack Overflow
windows - ffmpeg cut, encode MKV to MP4, and burn subtitles - Super User
FFmpeg - Convert MKV to MP4 in Terminal or Simplified Interface
How to Convert MKV to MP4 in Ubuntu Using FFmpeg
How can I choose which audio and subtitle tracks to keep when converting from MKV to MP4 with FFMPEG? - Ask Ubuntu
Trick] How to Use FFmpeg to Convert MKV to MP4
Extract subtitles from mp4 using ffmpeg - Stack Overflow
FFmpeg - Convert MKV to MP4 in Terminal or Simplified Interface
How to Convert mkv to mp4 Using FFmpeg? – Its Linux FOSS
I used Subler to convert h264 video from mkv to mp4 so it can Direct Play via browser. It does its job beside the subtitles. As you can see, they are huge.
How to Convert MKV to MP4 in Ubuntu Using FFmpeg
How to Convert MKV to MP4 in Ubuntu Using FFmpeg
Using FFmpeg to burn subtitles into a video – Geoffrey Angapa