How to Save YouTube Videos As AVI by Lisa Musser If you love YouTube videos and want to save them to your computer to watch later, you have have probably tried to save them and experienced problems with the format not opening in your media player. Apr 25, · There are many disadvantages of avi format, like: * If AVI files are compressed using some codecs then in order to retrieve and play the file it requires the same. Get the Best YouTube to AVI Converter. Supports a vast number of file formats apart from YouTube to AVI, including MKV, HD, MP4, AVI, FLV, AVI, M4A, WAV, AAC, and more. Enables you batch convert videos at a 90X faster speed without losing its original quality.