Change bitrate of WMA files in one click at high speed and quality! One of the featuers of 4Musics WMA Bitrate Changer is that it works from the right click menu on a file. Simply right click on the WMA, select Convert to WMA!  As easy as 1, 2, 3! What is a WMA? The WMA (Windows Media Audio) format is an audio format developed by Microsoft. WMA is designed to handle all types of audio content. The files can be highly compressed and can be delivered as a continuous flow of data (on-line radio). WMA files can be of any size, and be compressed to match many different bandwidths (connection speeds). Main Features: - converting in one click! - high speed; - setting resulting format options; - automatic source deleting; - drag and drop support; - skin support; - playlists support; - editor of tags.