How to Convert AVI to WebM?

February 21, 2012 / Posted by Irene on Video/Audio Tips

You may get AVI videos from the Internet, camcorders and other photographic equipments. AVI playback on some video players may be quite satisfactory, but due to the huge file size it is time-consuming to upload AVI to the Internet. And with the development of HTML 5 technology, more and more websites including YouTube update their web standards to HTML 5 which provides more splendid visual enjoyment. So if you intend to upload AVI videos to HTML 5 sites like YouTube, it is better to convert AVI to YouTube WebM video format for WebM is smaller than other common videos in size and provides HD video quality.

Then it is time to select an AVI to WebM Converter to get AVI to WebM video conversion done. Try out Leawo Video Converter which can convert video and audio between all popular formats. It will be flexibly functioned as a smart AVI to WebM Converter to convert AVI video to WebM format with the fastest conversion speed and the best output quality. With the help of this video converting tool, you can preview the AVI video before conversion, trim video segment, crop black margin, customize output effect, add watermark, adjust video and audio parameters, merge chapters, select audio track and subtitles you preferred, extract audio from video, convert to 3D video and more. To convert AVI to WebM on Mac OS, Leawo null is available for use.

Easy to download the AVI to WebM Converter below and start to convert AVI video to WebM via this simple guide.


Full Guide

Load AVI files

By clicking on the "Add Video" icon you can import the required AVI videos to the program with ease. You are able to choose to load AVI file one by one or load an AVI video folder at a time to save time and energy. Video name can be changed and video preview is allowed in this step.

Choose profile for conversion

By clicking on the "Profile" button and enter the profile drop-down list section, you can see lots of video and audio formats and pick up WebM from which to set as the output format. Output video and audio parameters can be altered within the "Settings" button next to it.

Edit output video effect

To give more video editing features to the output video, just go to the "Edit" panel to add features through trimming, cropping, effecting and watermarking, go to the "3D Settings" to choose a 3D setting mode and adjust 3D depth effect for AVI to WebM conversion.

Convert AVI to WebM

By clicking on the big "Convert" button after you accomplish the above three steps. The video conversion process will be finished within the shortest time and then you can easily upload the converted AVI files to YouTube and any other video sharing sites for enjoying and sharing.

Video GuideSoftware

Leawo Video Converter

Video Converter
Convert videos to various formats for more convenient enjoyment.

Platfrom: Windows 7/Vista/XP


Extended Knowledge

WebM is an audio-video format designed to provide a royalty-free, open video compression format for use with HTML5 video. The project’s development is sponsored by Google. A WebM file consists of VP8 video and Vorbis audio streams, in a container based on a profile of Matroska. YouTube now offers WebM videos as part of its HTML5 player experiment. All uploaded files with resolutions from 720p and above are encoded to WebM in 480p and 720p, and other resolutions will follow.

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