Youtube Downloader - Version 4.58 Save your favorite Youtube videos as MP4, AVI, MPEG or MP3 files straight to your PC, DVD, iPad, PSP, iPhone or mp3 player. So you are able to watch/listen to your favorite YouTube clips offline. Go to Youtube website and find the URL of the video you want to download. Copy the URL of that video then open software, paste the link and click on the "Download" button. Unlike other similar tools, this software is free, no ads no spyware.