nvm dosen't work at all

fontmerge

Automatically merge fonts used in a Matroska file.

Dependences :

Use the package manager pip.

pip install argparse ass fontTools matplotlib colorama

Usage

usage: fontmerge.py [-h] [--mkvmerge path] [--fontfolder path] [--output path] mkv subtitles [subtitles ...]

Automatically merge fonts used in a Matroska file.

positional arguments:
  mkv                       Video where the fonts will go. Must be a Matroska file.
  subtitles                 Subtitles (can be several) containing fonts to be merged. Must be an ASS file.

optional arguments:
  -h, --help                Show this help message and exit
  --mkvmerge path           Path to mkvmerge.exe if not in variable environments.
  --fontfolder path         Add a folder with fonts to use.
  --output path, -o path    Destination path of the Matroska merged file.