Gopeed isn’t just for video—it’s a full HTTP/BitTorrent download manager with a modern UI. It supports YouTube 4K extraction via plugins. Written in Go + Flutter, it’s blazing fast.
github.com/GopeedLab/gopeed 5. DownKyi (Beginner-Friendly) Stars: 3.1k 4k+video+downloader+license+key+github+top
Bookmark github.com/yt-dlp/yt-dlp . Unbookmark all those shady “key generator” websites. And if you truly love 4K Video Downloader’s polished interface, consider buying a license to support the developer—but never from a third-party key reseller. Bonus: Quick Command Cheatsheet for yt-dlp (4K Focused) | Goal | Command | |------|---------| | Best 4K MP4 | yt-dlp -f "bestvideo[height<=2160]+bestaudio" -S vcodec:h264 --merge-output-format mp4 URL | | Download entire channel in 4K | yt-dlp -f bestvideo+bestaudio --download-archive archive.txt "https://youtube.com/@Channel" | | Extract audio (320kbps) only | yt-dlp -f bestaudio --extract-audio --audio-quality 0 --audio-format mp3 URL | | Save subtitles | yt-dlp --write-subs --sub-lang en URL | github