YouTube Downloader HD has no limitations by file size or video duration. It contains absolutely NO ADWARE, NO SPYWARE, NO REGISTRATION, NO POPUPS, NO MALWARE or other unwanted software. The software fully supports Unicode file names and is 100% virus-free.
So the duration of the process will only depend on the speed of your Internet connection and CPU. Once you hit the Start button, the program will start downloading and converting the video. Just select the necessary output format, type or paste the URL of the YouTube video you want to grab and specify the output folder. Now you can download High Quality videos, High Definition and Full HD videos from YouTube. YouTube Downloader HD is a free tool for downloading videos from YouTube and converting them into AVI or MP4 format (compatible with iPad, iPhone).