In light of this, to successfully add and view all kinds of AVI on VLC Player, it is necessary to transcode VLC unsupported AVI to VLC supported video format first. If your AVI video is ok, you just need to solve the AVI video codec problem. So here we show you transcode AVI to VLC friendly format with another powerful program. Note that converting AVIs to other video formats may result in some loss of video quality, due to compression standards. VLC allows its users to convert, or transcode, AVIs to PC-specific WMVs, high-quality MPEGs, DivX movies and more. Fortunately, VLC Media Player, free for download, supports and is capable of converting many types of files for both Mac and PC users. VLC media files are actually any media that the VLC Media Player supports, including AVIs.