How to Convert AVI to WebM Free & Online on All Devices?

When converting video files, some people may take online tools into consideration. However, desktop free video converters may behave better and have more features than online programs. So this part will start with three reliable free desktop video converter programs.

Free HD Video Converter Factory is one of the free video converters you can't miss to convert AVI to WebM. Besides AVI and WebM, it also supports almost all video files as input and 600+ optimized presets that can convert more video and audio files to meet your different demands.

Unlike other freeware and online converters, this video converter is more powerful and multifunctional, allowing you to change video formats in high quality without watermarks or size limitations. The fast conversion process and user-friendly interface make the program apt for any user. More than a powerful video converter, it also offers a set of handy video editing tools that you can use to cut, crop, merge videos, etc. before the conversion. Other practical features like customizing the video resolution and other parameters, compressing video file size, downloading videos from 500+ sites, etc. are also supported.

Just getget it here now and try it by yourself.

Limits:
Only available on Windows PC.

After knowing the basic features of this program, here is a simple guide on how to convert AVI videos to WebM with Free HD Video Converter Factory. Just follow it to start your conversion.

Also See: Free MPEG Video Converter | Free WebM Converter | Free VOB to MP4 Converter

If you have downloaded the VLC Media Player on your PC, you can take it to convert AVI files. VLC is not just a powerful media player but a converter. VLC converter can also convert videos between different formats and even customize the video parameters. It supports a wide range of video formats, and the video quality can be perfectly preserved during the conversion.

To convert AVI to WebM with VLC, you just need to go through the following tutorial.

Step 1: Open the app after downloading it and go to "Media" > "Convert/Save".

Step 2: Click on “+ Add...” button to import AVI files and then hit on “Convert/Save” button.

Step 3: Go to Profile and select “Video – VP80 + Vorbis (Webm)”.

Step 4: Click “Browse” to set the destination file and hit on “Start” to start the conversion.

Limits:
Complicated conversion steps;
Some errors occur during the conversion;
Limited output formats.

More info and program download link: https://www.videolan.org/vlc/

Also Read: VLC Only Convert Part of Video | VLC Conversion No Audio

HandBrake is also an excellent desktop open-source video transcoder . With a variety of video formats supported, it is capable of converting almost any video format. Apart from being a video converter, it can also crop the video, apply special effects, change the video bitrate, etc. It is available for Windows, Mac, and Linux that suitable for most users. Although the interface may be a little complicated, the conversion steps are simple to handle.

You just need to download and open the program and go through the following process.

Step 1: Launch it and click on the "File" button and select the AVI file.

Step 2: Go to the "Summary" tab, and selects "WebM" option from the Format drop-down list.

Step 3. Press “Browse” to select one path for converted WebM videos and click on the "Start Encode" button at the top to start the conversion.

Limits:
Not a user-friendly interface for beginners;
Limited output video formats (MP4, MKV, WebM);
Reduce the video quality to some degree in every conversion.

More info and program download link: https://handbrake.fr/

Also See: HandBrake Not Working | HandBrake Tutorial

Besides using desktop apps to convert AVI to WebM, you can also try online video converter tools to convert files on your PC or mobile devices without downloading any software. The following shares some reliable online video converters.

However, note that some online tools limit the file size and conversion times for free users.

CloudConvert is one of the most popular online video converters. It supports 200+ formats including audio, video, document, e-book, image, etc. Not just for a simple conversion, you can also use it to modify the video parameters, such as the bitrate, fps, and quality, and trim the video files by entering the start and end times. Moreover, this online tool assures that nobody can access your files illegally.

The conversion process is quite easy. You just need to enter its official website and follow the tutorial below.

Step 1: Click “Select File” to import AVI videos.

Step 2: Choose “WebM” from the “Convert to...” list.

Step 3: Hit on “Convert” button to start the conversion.

Then you can download the converted WebM files.

Limits:
Rely on a stable internet connection;
25 video conversions per day for free users;
Limited output video formats.

Official website: https://cloudconvert.com/

FreeConvert improves the input video size limit to 1 GB for free users. You can upload videos from many sources, like a local drive, Dropbox, Google Drive, and URL. It supports more than 1500 file conversions, including video, audio, e-book, image, etc. Besides video formats, you can choose to output the video to a certain device directly if needed. It also has advanced options for you to edit videos by changing the video frame rate, rotating, flipping, adding subtitles, and so on.

After entering its official website, follow the simple tutorial below to convert AVI files.

Step 1: Click “Choose Files” to upload AVI videos to the converter.

Step 2: Choose “WebM” from the Output drop-down list.

Step 3: Click on “Convert to WEBM” to start the conversion.

Then download the converted .webm files to your local drives.

Limits:
A good network is required;
Sometimes annoying ads;
Limited output format.

Official website: https://www.freeconvert.com/

FreeFileConvert can also manage the AVI to WebM conversion easily. It provides format conversions for various files, including audio, video, image, document, archives, etc. You can add up to 5 videos from a local drive, a URL, or the cloud and convert them to WebM or other formats with ease. The conversion interface is quite simple and easy to perform.

On its official website, you can convert the AVI file to WebM as follows:

Step 1: Click “Choose File” to input video;

Step 2: Select “Video-WebM” from "Convert files to:" drop-down list.

Step 3: Press “Convert” to start the AVI WebM conversion.

Then you can get the converted video files.

Limits:
The maximum video file size is restricted to 300M;
Only 5 files to upload and convert for unregistered users;
Annoying ads on the conversion interface.

Official website: https://www.freefileconvert.com/

Video.online-convert is also a handy online AVI WebM converter that can convert videos from AVI to WebM easily. It enables you to import nearly all kinds of video files and output them to common video formats, like FLV, MKV, MOV, MP4, WebM, etc. You can also use it to change video aspect ratio, bitrate, frame rate, and cut, crop, and rotate videos efficiently. The super-clean interface and straightforward steps make the conversion more efficient.

After entering its official website, you can follow the steps to convert your AVI files.

Step 1: Choose “Convert to WEBM” and click “Choose File” to upload your AVI videos.

Optional: (Step 2: Roll down the interface to customizing the output video parameters.)

Step 3: Press the green “START” button and wait for the conversion process.

Limits:
Slow uploading speed while processing large files;
Only One task uploading for free users;
The maximum file size per task is limited to 100MB.

Official website: https://video.online-convert.com/

Aconvert is an all-in-one online converter that can convert all kinds of files, including documents, e-books, images, video, audio, archive, etc. with a simple conversion process. Unlike other online converters, this online tool is completely free to use. You can upload AVI videos from online or local sources and convert them to WebM. This online converter also allows you to simply modify the video parameters. It supports batch conversion and even removes audio from video as well.

The simple steps are given here:

Step 1: Entering its official website and navigate to Video.

Step 2: Click "Choose Files" button to import the AVI files.

Step 3: Select Target format as "WEBM".

Step 4: Choose "Options" to change size, bitrate...according to your needs.

Step 5: Press "Convert Now!" to start conversion and then download them.

Limits:
Annoying ads loaded around the conversion interface;
Maximum video file size restricted to 200M;
Maximum file size for URL video is 40M;
Video conversion times limited to 10 minutes. The conversion will be terminated when time is up.

Official website: https://www.aconvert.com/

ZAMZAR is also a handy AVI video to WebM converter that allows you to input 50 MB MP4 videos and convert them to WebM or other common formats. It is also capable of converting documents, images, and other files. Compared with other online tools, ZAMZAR doesn’t allow you to edit and customize the video parameters. You can only use it for conversion.

The following is the manual to convert AVI files to WebM with it.

Step 1: Press :Choose Files" to load AVI files from local or online drive on its official website.

Step 2: Click "Convert To" and choose "WebM" from the drop-down list.

Step 3: Press "Convert Now" to start conversion and then download the converted files.

Limits:
Max. file size limited to 50MB for free users;
Relatively less output video formats;

Official website: https://www.zamzar.com/

This post has listed the top 9 AVI to WebM converters that you can use both on your PC and mobile device. For users who want advanced functions, the recommended applications may meet your demands. And online tools are more appropriate for people who just need basic conversion. Hope you can find one that is most suitable for your demands. Thanks for reading!