Bookmarklet to download ffmpeg

ffmpeg-command.js

(function() {
    const link = window.prompt(`Enter the link`);
    if (!link) {
        return;
    }

    const parts = link.split(' ');
    prompt('Result:', `ffmpeg -i ${parts[1]} -map p:2? -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 "E${parts[0]}.mp4"`);
})();