But if you have experience using similar programs, then you should find no problem using Avidemux to convert AVI to MP4. For example, the interface looks a bit outdated when compared to modern software we use in our daily life and it uses a lot of specific terms that might look strange in novice's eyes. You won't have to pay for it to get your AVI videos converted to MP4. The advantage of Avidemux, as is mentioned above, is that it's free. So, if you want to use it to convert AVI to MP4, you've made the right choice. It also supports converting videos between a lot of different formats.

By utilizing what Avidemux called filter, you can easily perform video editing on a video. It's a lot of people's first choice when it comes to simple video editing and converting tasks as it's open-source and free. Windows’ Explorer detail bar also lists this info when you select a video, however it doesn’t work on all videos.Avidemux is a nice little piece of free video converting and editing software. To check the video and audio codecs in any video, you can use MediaInfo.Audio: AAC, MP3, AC-3, Apple Lossless, ALS, SLS, Vorbis.For instance, to use the MP4 Muxer, you’ll need video with one of the following codecs:.If you need a specific container, you can take a look at this Wikipedia comparison table for a list of the compatible video & audio codecs for every possible container out there (MP4, FLV, WebM etc.).You can also try the AVI muxer though it may prove problematic with some codecs. This is because the MKV format supports virtually any video and audio codec out there.

However, if you need to output to a different container, my rule of thumb is to select the MKV muxer. If all the videos have the same container, you can select the original container for output if it’s supported by Avidemux.

Quick Guide to Selecting a Suitable Codec and Container Pair

Convert mkv to mp4 avidemux