Ringtone Maker is a free Android app from Photo Video Tools that allows you to cut mp3 and other audio files and make ringtones with ease. With this app, you can set your favorite song as your ringtone, alarm tone, and notification sound. You can even choose a specific ringtone for individual contacts.

One of the most useful features of Ringtone Maker is the ability to set ringtone settings for all contacts with the Smart mp3 cutter. The app also features a powerful music editor that allows you to copy, cut, and paste, and merge different music files together with ease.

The app also allows you to adjust the volume, fade in/out for mp3, and preview the ringtone files before assigning them to a contact. You can view a scrollable waveform representation of the audio file at 6 zoom levels and set starting and ending points for a clip within the audio file using an optional touch interface. Ringtone Maker supports MP3, WAV, AAC, AMR, and most other music formats.

Overall, Ringtone Maker is a must-have app for anyone who wants to make their own MP3 ringtones fast and easy. It is also a music editor, alarm tone maker, ringtone cutter, and notification tone creator rolled into one convenient app.