4K Video Downloader 是一款Mac上YouTube在线视频下载工具，可以下载YouTube上的高清视频，简单易用，很不错！
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链接: https://pan.baidu.com/s/16hlvfDvaAiiqdATfUyUqBg 点击下载按钮支付后查看 百度网盘下载密码立即下载
4K Video Downloader allows to download and save video, audio and subtitles from YouTube in high quality. Download all videos in YouTube Playlist or Channel with one click. Save video in MP4, MKV, 3GP formats or extract audio from YouTube videos in MP3, M4A or OGG. Download 3D video content on YouTube enjoy it even when you are offline. This program is free, open source and cross-platform. No toolbars, no adware, no malware: our Installers are completely clean. We paid great attention to simplicity and usability during development. Downloading is simple and pleasant, just copy link from browser and click “Paste Url”. Try it now!