How to Convert AVI to MP4 in Windows/Mac Effortlessly

The biggest limitation of AVI is its poor compression, so the AVI files are usually much larger. Also when resizing the window of your media player (or on different TVs, especially high-definition ones), the aspect ratios are sometimes lost in translation. To get rid of this limitation, you can convert AVI to MP4 format which is used to store digital video and digital audio streams, as well as other data such as subtitles and still images.

Now, what you need is an ideal video converter to help you convert AVI video to MP4 format. Aimersoft Video Converter Ultimate is such a powerful video converter. This software is compatible with Windows system, including the newly released Windows 8. With it, you can easily and quickly transform the videos from AVI format to MP4 without compressing any quality of the original video. Furthermore, this video converter allows you to develop the imagination on video editing. For it employs a built-in editor, you can change the visual effects of the video by trimming the play time, cropping the frame size, adding watermark and subtitle, etc. Mac (Mountain Lion) users who want to convert AVI to MP4 can use the equivalent Aimersoft Video Converter for Mac.

Download AVI to MP4 Converter:

How to convert AVI video to MP4 step by step

The procedures on how to convert AVI format to MP4 here is taking Aimersoft Video Converter Ultimate as an example. Make sure you have downloaded the suitable version.

1 Import AVI files

Click Add Files button to upload AVI files from your computer or portable devices. You can also directly drag the video files into the program directly.

2 Edit Video (Optional)

Click "Edit" on the main interface, you can then customize AVI videos. You can trim the video play time, crop frame size, add watermark and subtitle, etc.

3 Set MP4 as the output format

Select the proper output destination folder and your desired output format. If you want to convert AVI files for portable device, but you don't know which formats your device supports, you can simply select any format in the category of your device.

4 Start to convert AVI video to MP4

After all necessary setting, the last thing is to click the "Convert" button to start to convert AVI video files to MP4.

What Aimersoft Video Converter Ultimate can do for you is not limited to this. It also contains the following function: rip DVD, burn video to DVD, make photo slideshow, remove DRM protection, and download on-line video, etc. Once you have tried it, you will fall in love with the thrill of video conversion.