Would you like just the audio as a 128 Kbps MP3 file, or an Ultra High Definition 4K video as an MP4. Select Format: You can download videos in a wide range of resolutions and formats.The app automatically recognizes any valid URLs and will suggest initiating a download. Alternatively, you can copy the video URL. Select Video: Inside the software, type a keyword to search for a video.Once it has downloaded, double-click the executable to proceed to the installation. You may need to authorize the download and specify a destination folder. Install: Click on the button to the right to download Viddly for Windows PC.No matter which video format you prefer, you can still choose the quality level that suits your needs best. This Online YouTube Downloader can be used to export your items to MP4 or AVI, while the audio tracks can be saved as MP3. Regardless of the operation, you want to perform, be it download or conversion, the destination formats are the same. Viddly YouTube Downloader packs a built-in playback module that allows you to watch the videos before downloading them. Additionally, compatible links are instantly detected so you can decide whether you want them to be automatically downloaded or not. The graphic interface is neatly organized and visually appealing, so even those who are not tech-savvy users can still understand that they need to paste their YouTube links in the dedicated field.