MP4 (MPEG-4 Part 14) is a multimedia container format standard specified as a part of MPEG-4. Nowadays, more and more movies and videos are encoded in the MP4 file format which can deliver good video quality. And it has become more familiar to people who like watching and sharing videos online.

Though Mp4  is very popular and has been used in many ways, it can only be surpported by many devices. Avi videos are more common, so we can convert mp4 to avi format with a free mp4 to avi converter . Then, how to do it?

Step1. Click "Add Video" icon to import your MP4 files in or select them and drag them to the program. Double click the file name to have an instant preview.
Select your file, and choose "AVI-Audio-Video Interleaved (*.avi)" in the droplist of "Profile".
Set your output destination folder in "Output".

Step2. Click "Edit" icon to adjust the video effects, trim for a video clip and crop for a proper video dimension.

Step 3: Settings.

Step4. Click "Convert" in the bottom right on the main interface to start the conversion, and done. Fast conversion speed!

(The converter I used here is leawo video converter)