Mp3 Cutter Video Cutter Jo is a free audio and video editing tool for Android developed by SOLVa. It offers several features such as trim audio, support for all common audio formats, millisecond precision cropping, and the ability to set the new clip as default ringtone, alarm ringtone, notification ringtone, or as a single contact ringtone. Additionally, users can share the new clip with their friends, delete or rename the new clip file, and use the best video crop and converter to audio features.

The app is easy to use; users can select mp3/music from their mobile or recordings, select the area to be chopped from their audio, and save it as Ringtone/Music/Alarm/Notification, or assign it to a contact. Mp3 Cutter Video Cutter Jo is a handy app for those who want to customize their ringtones and audio clips for free.