As a royalty-free and high-quality media file with open video compression, WebM improves users’ experience on online streams. Employing HTML5 video tag, WebM is taken as HTML5 video. As a matter of fact, WebM is developed to replace the widespread use of flash video on the web. The rise of WebM files overwhelms flash files in many aspects, like small-file size, easy-to-spread via internet, etc. Though AVI files are the mainstream of web ads, video opening and ending, it has become outdated for the present. It is better to convert AVI to WebM format instead of flash format files if you would like to public your video on the web. Here I will show you how to convert AVI to WebM with an AVI to WebM converter.

Part 1: Recommended AVI to WebM Converter – Leawo Video Converter for Converting AVI to WebM

To convert AVI to WebM, you need an AVI to WebM converter. Here I recommend Leawo Video Converter, a professional and best video converter that is able to convert video and audio file between 180+ formats, of course including AVI to WebM conversion.


Video Converter 

☉ Convert video and audio between all formats, of course including AVI to WebM videos conversion

☉ Trim, Crop, Effect, Watermark to edit video

☉ Internal video player for previewing

☉ Support 2D to 3D conversion

☉ Add external subtitle and select audio channel

Free Trial Free Trial

Reasons why Leawo Video Converter is the best AVI to WebM Converter:

1. This video converter can import video and audio sources in any formats, and realize mutual conversion between them with ease. You can get movies, songs and more in formats of sorts for enjoying.
2. It is the best video converter to convert 2D video to 3D with 6 different 3D effects available: Red/Cyan, Red/Green, Red/Blue, Blue/Yellow, Interleaved, Side by Side. 3D Depth is adjustable as well.
3. The video converter could convert video and audio for Apple/Android/BlackBerry/Windows Mobile/Symbian/Palm users, and more device/player/software users.
4. This video converter supports video-folder reading for batch files loading, and batch conversion feature. You can fulfill video conversion within a few simple mouse-clicks.

Download and install Leawo Video Converter on your computer, and then follow the guide below to convert AVI to WebM.

Guide on how to convert AVI to WebM with Leawo Video Converter:

Step 1: Import source AVI video files


Kick off Leawo Video Converter to enter the main interface. Go to the “Convert” tab, and click “Add Video” button on the sub-menu to load your source AVI video files. After loading, you could play back AVI video files, select subtitles and audio tracks from source AVI video files, add external subtitles to loaded AVI video files, edit loaded AVI video files, etc.

Step 2: Set WebM as output format


Click the drop-down box next to the “Add Photo” button. On the drop-down list, select “Change” option. Then on the popup Profile window, select “VP8″ from “Format” column as output format. As a matter of fact, WebM consists of VP8 video. It is okay to set VP8 as output format in order to convert MP4 to WebM.


Note: If you need, you could click the “Edit” button on the drop-down profile setting box to adjust video and audio parameters like video codec, aspect ratio, frame rate, resolution, audio codec, bit rate, channel, sample rate, etc.

Step 3: Start converting AVI to WebM


Click the big green “Convert” button on the sub-menu bar next to the format setting drop-down box. Then, on the popup sidebar, set output directory. After setting output directory, click the “Convert” button right below. Leawo Video Converter would start to convert AVI to WebM immediately.

Video guide on how to use Leawo Video Converter:

Part 2: Online Solutions to Convert AVI to WebM

Besides video converter program, you can try some online solutions to convert AVI to WebM. Here I make a list of online solutions for you to convert AVI to WebM online.

#1: Online AVI Video Converter


You just need to upload your AVI file from your device or from an online website and with this free online video converter you will obtain a WebM video file. Actually it is very easy and it seems to works well. More than converting, you could make some changes like size, video bitrate, audio quality, frame rate, and even cut video, rotate video or mirror/flip video.


  1. If you know to change the settings to improve your video, than it is a very good thing to use this feature.


  1. Before to make any changes on your video, you should save it as it is, because there is no option to go back after you applied the new settings.

#2: Zamzar Online Video Converter


Zamzar is my favorite online video converter. It enables you to convert video(up to 100MB) from your computer. Besides, it’s capable of downloading video from some sharing sites like Myspace, Dailymotion, Metacafe,, etc. then convert the video to any popular format. The online video converter also comes with an easy to use interface. BTW, you have to enter the email address to receive converted files.

There is indeed more than one solution for you to convert AVI to WebM. It is your choice to make for selecting your preferred solution to convert AVI to WebM.