You can also try these related scripts:

• HTML5 Video Playing Tools - Enable hotkeys for HTML5 playback: video screenshot; enable/disable picture-in-picture; copy cached video; send any video to full screen or browser window size; fast forward, rewind, pause/play, volume, skip to next video, skip to previous or next frame, set playback speed. Video sites supported: YouTube, TED, Youku, QQ.com, bilibili, ixigua, iQiyi, support mainstream video sites in mainland #####; Live broadcasts: Twitch, Douyu.com, YY.com, Huya.com. Custom sites can be added
• Gaston's - Video/Image Downloader - Instagram/Twitch/YouTube/TikTok Video/Audio Downloader (frequently updated)
• FrankerFaceZ - Loads the main FrankerFaceZ script in browsers that don't support the extension but do support UserScripts; updated from http://userscripts-mirror.org/scripts/show/167158 and may break in your browser, UserScript version does not reflect actual FFZ version.
• Twitch - Disable automatic video downscale - Disables the automatic downscaling of Twitch streams while tabbed away
• Twitch Turbo + Updated - Block all Twitch ads, auto-claim bonus points, auto-join raids, add clip download link, and promote Discord server