|4K Downloader是一個小巧但功能強大的Windows應用程序，用於從YouTube，Facebook，Dailymotion和數千個其他視頻流媒體站點下載和轉換4K和8K Ultra HD視頻。它最多可將您的下載速度提高5倍。
考慮到大多數智能手機，電視機，計算機和平板電腦都支持高清格式，因此，更多的用戶希望在其設備上欣賞高質量的內容不足為奇。4K Downloader是一款輕巧的軟件，旨在幫助您從YouTube，Dailymotion和其他網絡上的視頻共享服務中抓取Ultra HD視頻。
4K Downloader is a little but powerful Windows application for downloading and converting 4K and 8K Ultra HD videos from YouTube, Facebook, Dailymotion, and thousands of other video streaming sites. It increases your download speeds by up to 5 times.
Considering that most smartphones, TV sets, computers and tablets support high definition formats, it does not come as a surprise that more users want to enjoy quality content on their devices. 4K Downloader is a lightweight piece of software designed to help you grab Ultra HD videos from YouTube, Dailymotion and other video sharing services on the web.
The application grabs the last copied link automatically
The program comes with a modern and intuitive interface that is unlikely to give you any troubles. Providing that you decided on the videos you want to download, all you need to do is copy as the app can paste the URL automatically. Nevertheless, you can specify if you prefer the download to be only audio, select the quality available or convert it to an Ultra HD one.
Download video from YouTube and thousands of other video sites
4K Downloader can download videos from YouTube, Facebook, Dailymotion, Vimeo, Vine, Metacafe, and thousands of other video streaming sites.
Accelerate download by up to 5 times
4K Downloader features an advanced download acceleration engine that lets you download videos up to 500% faster than normal speed.
Download 8K, 4K, 2K, FHD 1080p, HD 720p, and 3D video from YouTube
4K Downloader can download UHD 8K, 4K, QHD 2K, FHD 1080p, HD 720p, and 3D videos from YouTube if they are available.
Download only audio stream from YouTube
4K Downloader allows you to download only audio stream from YouTube, without downloading the entire video file.
Download whole playlist from YouTube
Just enter a YouTube playlist ID, 4K Downloader will download all or selected videos in the playlist from YouTube for you.
Download more than one video at a time
4K Downloader supports simultaneous downloads that allows you to download multiple videos at the same time.
Pause and resume downloads
4K Downloader allows you to pause, resume, and cancel downloads at anytime.
Preview incomplete video while downloading
While downloading, you can click "Preview" button to play incomplete video and make sure the file you are downloading is really the video of your choice.
Convert downloaded video to any format
4K Downloader can automatically convert downloaded videos to the format that you specify. It supports MP4, FLV, WMV, MOV, ASF, AVI, DV, M4V, MKV, MPG, OGV, SWF, TS, VOB, WEBM, DVD, VCD, SVCD, and many other formats.
Optimize downloaded video for any device
4K Downloader automatically converts and optimizes downloaded videos for your mobile/desktop device, so you can watch them smoothly on your iPhone, iPad, iPod, Android phone, Android tablet, Xbox, PSP, PS4, PS3, Samsung Galaxy, or other device.
Extract audio stream from video
4K Downloader allows you to extract audio stream from video, and save it as MP3, WAV, WMA, AC3, AAC, OGG, M4A, FLAC, MP2, or any other audio format.
Convert local video/audio files
4K Downloader is also a powerful video/audio converter. It helps you to convert your disk video/audio files to any format you wish so that they are playable on your media player.
4K Downloader provides ready-made presets for all popular video and audio formats. You can also custom output video/audio format settings.
Optionally, 4K Downloader can automatically add downloaded video/music to your iTunes library, so you can easily synchronize your videos and music to your iPhone, iPad, iPod, etc.
Integrate with Internet Explorer and Firefox
4K Downloader adds download button and menu commands to the toolbar and the context menu of your browser, so you can download and convert any video with just one click.
You may directly drag and drop video link/URL from your browser to the main window of 4K Downloader to start download, you don't even need to copy and paste video URL manually.
Updates: official site does not provide any info about changes in this version.