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)
• 🌟 Ultimate Web Enhancer 🚀 - A powerful script to enhance YouTube, Facebook, X, Spotify, Reddit, Twitch, Instagram, LinkedIn, TikTok, Pinterest, Netflix, Amazon Prime, Discord, GitHub, Google, Wikipedia, eBay, Hulu, Quora, Medium, Stack Overflow, IMDb, SoundCloud, Vimeo, and more with intelligent features.
• 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