AVI Converter

  1. Add your file.

  2. Choose the output format.

  3. Click Convert.

4.7 (18,971 reviews)
Available translations: EN
Convert to

Convert AVI files online for free

This freeware AVI video converter lets you change the format of your files online in HD. To convert an AVI file, simply add your media to the software, select the output format, and start the process. It’s that fast and easy! In turn, if you need an app to convert a movie in the best quality or multiple files in a batch, download the desktop version of this AVI file converter for free for Windows and Mac. The built-in editor of the desktop AVI converter will save you having multiple programs on your system and make sure you achieve your result in the best and fastest way.

What is AVI?

Full name

Audio Video Interleave

Format type


Developed by



AVI, or Audio Video Interleave, is a container format created by Microsoft in November 1992. Files in the AVI format can store both video and audio data and allow synchronous audio-video playback. If you are wondering how to open AVI files, see the list of associated programs below.

File extension


Technical details

AVI is a subformat of the Resource Interchange File Format (RIFF). Data within this file type is divided into two blocks. One block stores the video width, height, and frame rate, while the other contains audio and video data. Certain media players may not play the original AVI specification correctly since it doesn’t support modern compression techniques.

Associated programs

Windows Media Player, QuickTime Player, VLC, DivX Player, etc.

Join for how-to guides, speсial offers, and app tips!