MAXVideoconverter.com is a free Youtube video downloader and converter. Browse Youtube, select the URL of the video which you want to download to your computer and paste this URL to maxvideoconverter.com then choose the output file extention. For example you can choose mp3, this will allow you to listen to your favorite Youtube soundtracks on your MP3 player. If you choose AVI you will have a YouTube video stored on your hard drive and you will be able to access it when you are offline. For viewing Youtube videos on your iPhone choose MP4 format. How to download and convert a video from YouTube? This process is very simple: Browse YouTube.com Select a video which you want to download Copy the video URL (For example: http://www.youtube.com/watch?v=kfF55LIxZo4&feature=fvst) Paste the selected video ulr to maxvideoconverter.com Select the format, size and quality of the video you want to download and press Convert!. Wait for the conversion process to end and click Download. What format should I choose? To listen for your favorite YouTube soundtracks on your MP3 player choose mp3 format. To view downloaded videos on your iPhone choose MP4 format. To view videos on your Blackberry choose MP4 format. To view which formats your Blackberry support, go to http://docs.blackberry.com/en/smartphone_users/deliverables/18349/711-01774-123_Supported_Media_Types_on_BlackBerry_Smartphones.pdf If you are using Mac choose AVI or MOV video formats.