AVI is a popular video format, but it can have compatibility issues while playing on an array of portable devices and players. In such situations compressing AVI to MP4 files is an ideal solution, as MP4 can be played on almost all types of devices. Moreover to make your files occupy less storage space file compression can be done. Smaller sized files are also easy to share over the internet, mail, and other sources. The following part discusses the best tool to compress AVI to MP4 on your Windows and Mac system.

There is no dearth of conversion and compression tools available, but to ensure high-quality process professional software must be used. UniConverter here proves to be an apt program that facilitates file conversion as well as compression in lossless quality. With support to all major video formats, you can convert AVI files to MP4 without any worries and also compress the same by changing the parameters like bit rate, resolution, quality, and file size.

Steps to compress AVI to mp4 using UniConverter

Step 1: Open UniConverter and add AVI files

Run the software on your PC and click on +Add Files button from the Convert tab to import local AVI files. To add files directly from the connected devices, open drop-down menu at +Add Files and choose the device. Multiple files can be added for batch processing.

Tips: Editing can be done by clicking on the multiple editing icons under the thumbnail image.

Step 2. Select MP4 as output format

The added files appear on Convert tab with details and thumbnail image. Open drop-down at Convert all files to: option on the top-right corner. From the Video tab, choose MP4 format. You can keep the resolution as the original file or select from the given options.

Step 3. Change AVI video parameters

On the Target menu, click on the compress icon that will open a new pop-up window. Move the progress bar to compress your files and the parameters will adjust accordingly. You can click on the Preview button to check the changes that will be made to the file after the compression process. Click on the OK button to confirm the compression settings.

Step 4. Compress AVI to MP4

At Output tab, choose PC location where your compressed file will be saved. Finally, click on Convert All button that will start converting and compressing AVI videos to MP4 format. At the program interface, the processed files can be checked from the Converted tab.

You can check the size of the compressed AVI file to MP4 from the Source and the Target menu. The size of the file at the Target menu can be seen less than the size on the Source menu.

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