Opus Converter is a free Android application developed by Ovidea. This program allows you to convert opus files to other well-known formats, such as mp3 and m4a (mpeg-4), either by converting a single file or a folder with several opus sounds inside.

One of the most useful features of Opus Converter is the ability to convert voice notes of apps like WhatsApp to mp3 format, making it easier to share and listen to them on different devices. The program is straightforward and easy to use, making it a great option for those who need to convert their opus files quickly and efficiently.

Overall, Opus Converter is a reliable tool for anyone who needs to convert opus files to other formats. It is free to use, and its simple interface makes it accessible to users of all levels of experience.