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normalize-ssa

Extracts ssa/ass subtitle(s) from MKV videos and rescale/resize subtitles.

Prerequisites

• NodeJS >= 18 (http://nodejs.org/)
• NPM >= 8 (https://www.npmjs.org/)

Install

Windows

1. Install nodejs following the instructions at http://nodejs.org/
2. Install ffmpeg following the instructions at https://www.wikihow.com/Install-FFmpeg-on-Windows
3. Run in Command Prompt: npm install -g normalize-ssa

Mac OS X

1. Install nodejs following the instructions at http://nodejs.org/
2. Install homebrew following the instructions at https://brew.sh/
3. Run in Terminal: brew install ffmpeg
4. Run in Terminal: npm install -g normalize-ssa

Debian (Mint, Ubuntu, etc)

1. Install nodejs following the instructions at http://nodejs.org/
2. Run in Terminal: sudo apt install ffmpeg
3. Run in Terminal: sudo npm install -g normalize-ssa

Update

Windows

1. Ensure that normalize-ssa is installed
2. Run in Command Prompt: npm install -g normalize-ssa

Mac OS X

1. Ensure that normalize-ssa is installed
2. Run in Terminal: npm install -g normalize-ssa

Debian (Mint, Ubuntu, etc)

1. Ensure that normalize-ssa is installed
2. Run in Terminal: sudo npm install -g normalize-ssa

Usage

Usage: normalize-ssa [options] [command]

Extracts ssa/ass subtitle(s) from MKV videos and rescale/resize subtitles.

Options:
  -V, --version                      output the version number
  -h, --help                         display help for command

Commands:
  parse [options] <resourcePath...>  Parse subtitle(s).
  help [command]                     display help for command

Parse

To parse subtitles and rescale/resize, run:

normalize-ssa parse /path/to/your/video.mkv

Or to recursively find and parse .ass/.mkv files in a directory, run:

normalize-ssa parse /path/to/your/directory

To extract a different language than English from a .mkv, like ger for German, run:

normalize-ssa parse --language ger /path/to/your/fileOrDirectory

And to select a different font size, run:

normalize-ssa parse --size large /path/to/your/fileOrDirectory

The valid font sizes are tiny, small, normal, large or huge.

Contributions

While software contributions are welcome, you can also help with:

• Documentation
• Helping other people
• Feature requests
• Bug reports

Questions?

Please make an issue if you have questions, wish to request a feature, etc.