KeepHD KeepHD is a free web tool which allows you to download YouTube HD videos.是一個免費的網絡工具 ，它允許您下載YouTube高清視頻。 With this tool you can not only download your favorites movies from YouTube in HD, but also the mobile 3GP version for your mobile devices and also the standard MP4 and FLV format.有了這個工具，您不僅可以下載我的最愛電影YouTube的高清，而且移動3GP版本為您的移動設備，也是標準的MP4和FLV格式。 All you need to provide is the URL of the HD video of YouTube.所有您需要提供的網址是高清視頻的YouTube。
The tool provides three ways to download YouTube HD videos.該工具提供了三種方法來下載YouTube高清視頻。
1. 1。 Enter the URL of the YouTube HD video directly into the tool and click on the download button.輸入網址的YouTube高清視頻直接進入工具並點擊下載按鈕。 The tool will download the video for you.該工具將下載視頻你。 Once you enter the URL, you are provided with the option to download it in either low quality or a mobile 3GP version or the normal MP4 version.一旦你輸入網址，為您提供了可以選擇在任何下載質量低或移動3GP版本或正常的MP4版本。
2. 2。 In the second method, You just need to replace YouTube in the URL with KeepHD and it will show up the download links.在第二種方法中，你只需要更換YouTube的網址以KeepHD，它會顯示下載鏈接。
3. 3。 You can also add KeepHD as a bookmarklet and then click on it to download the videos.您還可以添加KeepHD為書籤，然後單擊它下載的影片。
