This article mainly focuses on the conversion between .MP4 and .WebM and will show you the effective way on how to convert MP4 to WebM on both Window and Mac platform (Windows 8 and Mac Mountain Lion included). On this tutorial, we will use Doremisoft .MP4 to .WebM Video Converter (Video Converter for Mac) to have the conversion done. After the conversion, you can upload or add them to any HTML 5 sites.
After launching the program, locate the original MP4 movies from the folder you saved them by using the "Add Files" option. You can select multiple files at one time for a batch conversion.
Now please choose WebM as the output format from the "Web share" tab in the "Convert to" menu bar. Besides, you can customize the conversion up to your needs by adjusting the bit rate, frame rate, sound quality and effects.
Once the settings are done, simply press the big blue button and leave the smart MP4 to WebM converter to do the rest for you.