MiniTool uTube Downloader - Download 4K YouTube videos
y2mate - Y2mate.
Xilisoft Video Converter - Xilisoft Video Converter is easy, fast, reliable, and loaded with features.
y2mate.tv - Y2Mate YouTube Converter is not just a video converter, but also an audio converter. You can easily convert YouTube videos to the format you want, such as MP4 (320p, 480p, 720, HD 1080p), 320kbps MP3, M4A, WEBM, etc.
Savemp3 - Savemp3 is an online video converter and downloader that supports videos from YouTube, Facebook, Instagram, Soundcloud music, Twitter, Reddit, Vimeo, and Dailymotion.
Keepv.id - Keepvid is the best online video downloader. Here you can download videos from 100s websites: Youtube, Facebook, Instagram, Twitter, etc.