If it’s an issue there are various website converters and GitHub - tsur/vtt-to-srt: Convert WebVTT files to SubRip SRT
EDIT ffmpeg has some subtitle extraction and conversion features
If it’s an issue there are various website converters and GitHub - tsur/vtt-to-srt: Convert WebVTT files to SubRip SRT
EDIT ffmpeg has some subtitle extraction and conversion features