If you want to play video cross browser with HTML5 video you have to transcode your WMV file (currently to MP4 and WebM). Have a look here for a take on HTML5 video. To embed WMV videos in a web page you have to use an object/ embed tag that calls the windows media player plugin (if it is installed. Create Microsoft WMV videos in high quality with this online WMV converter. Upload your video or provide a URL to a file to start the free WMV conversion. Easily convert AVI to WMV with this free converter. WMV conversion can be done from over 50 source formats. wmv converter. Upload your video you want to convert to. Copy and paste the following HTML code. Then change the source http:// in ALL 3 places to the path of your media file .