تبدیل لینک جاوا اسکریپ به فایل دانلودی

سلام خسته نباشید. ببخشید کسی میتونه بگه چطوری یه لینک نوشته شده با جاوا اسکریپ را به فایل دانلودی که بشه راحت با دانلود منیجر دانلود کرد , تبدیل کرد ? مثلا لینک زیر :                   https%3A%2F%2Fr2---sn-5hnekn7s.googlevideo.com%2Fvideoplayback%3Fdur%3D466.966%26mv%3Dm%26mt%3D1534622788%26ms%3Dau%252Crdu%26mn%3Dsn-5hnekn7s%252Csn-5hne6nlk%26clen%3D65870431%26source%3Dyoutube%26c%3DMWEB%26lmt%3D1529694917019459%26key%3Dyt6%26itag%3D136%26mime%3Dvideo%252Fmp4%26aitags%3D133%252C134%252C135%252C136%252C137%252C160%252C242%252C243%252C244%252C247%252C248%252C278%26ipbits%3D0%26pl%3D25%26keepalive%3Dyes%26requiressl%3Dyes%26fvip%3D2%26gir%3Dyes%26expire%3D1534644499%26sparams%3Daitags%252Cclen%252Cdur%252Cei%252Cgir%252Cid%252Cinitcwndbps%252Cip%252Cipbits%252Citag%252Ckeepalive%252Clmt%252Cmime%252Cmm%252Cmn%252Cms%252Cmv%252Cpl%252Crequiressl%252Csource%252Cexpire%26id%3D613d0a4cb1fe3d4d%26initcwndbps%3D113750%26mm%3D31%252C29%26ip%3D173.249.54.83%26ei%3Ds3x4W7iUMIzn7gPjrJT4Dw\u0026projection_type=1\u0026lmt=1529694917019459,primaries=bt709\u0026index=220-1769\u0026fps=30\u0026s=50630A724BB64A4F83F6AE676D42FB8A61787954.10A1E5C0E272C0C32540A02EA08149A84937DC4DD\u0026init=0-219\u0026bitrate=1507075\u0026itag=247\u0026quality_label=720p\u0026xtags=\u0026eotf=bt709\u0026size=1280x720\u0026clen=60261243\u0026sp=signature\u0026type=video%2Fwebm%3B+codecs%3D%22vp9%22\u0026url=