Wavosaur is a free audio editing software designed for Windows operating systems. It offers users the capability to edit audio files through features such as cutting, copying, pasting, and mixing sound. The software supports multiple audio formats, including WAV and MP3, and provides functionalities like batch processing, audio recording, and sound analysis. Additionally, Wavosaur can host VST plugins, offering extended capabilities for sound manipulation. It is lightweight and operates without installation, making it a portable and efficient tool for audio editing tasks.