If you are a keen YouTuber, blogger, vlogger, etc. and prefer to upload videos to the web regularly, WebM format is suitable for you. Compared with WebM, which supports high visual quality as well as relatively small file size, it seems that AVI videos are too clumsy to use and share. So if you would like to convert AVI to WebM, you are in the right place. In this article, we will show you up to 4 online and offline AVI converters to help you do that without spending too much time and energy.