Convert AVI to MP4 is a useful tool for converting AVI files to MP4 format, one of the most used file formats in the world. It can support various file types, including AVI, DIVX, XVID, WMA, MOV, H, MPEG1, MPEG2, and many others/5(7). There is no updated version of this software available. Like its name suggests, Free AVI Video Converter is a powerful converter that supports a wide range of video formats. It can handle the most popular video formats, including AVI, MP4, WMV, MKV, /5(12). Full Video Converter Free is a professional but easy-to-use video converter that converts videos among MP4/MPEG/AVI/WMV/VOB, etc. free mp4 full version converter free download - Wise Video Converter, MP4 Converter, Free MP4 to AVI Converter, and many more programs Convert MP4 video files to AVI format. Free Editors. Step-by-step Guide: How to Convert an AVI to MKV:Step 1 Add files to the AVI to MKV slicelive.com 2 Built-in editor to edit AVI files (Optional).Step 3 Select the output format MKV and convert AVI files to MKV.