WebM is with VP8 codec planned to use with HTML5 video for uploading to YouTube, Google, Mozilla and Opera. In this guide you will get the solution to convert link

To link, a WebM to FLV Converter is needed. Leawo Video Converter is the most powerful software to convert WebM to FLV. You can freely take it into use to realize WebM video to FLV conversion. Besides video conversion, this linkalso allows you to edit video with gorgeous features as well as output 3D video to let users enjoy stereo video. So during the process to convert YouTube WebM video to FLV, you can add video customized features to the output so as to have a better display effect.

The steps are below:
1.Add Video Files to the Program
2.Choose FLV as Output Format
3.Video Customization
4.Convert WebM to FLV