SoundCutter is a free Android application developed by gruebelTech, which allows you to cut and save your favorite mp3 files. With its easy-to-use interface, you can select any mp3 file from your device and choose the part you want to save. You can pinch to zoom if you want to cut more precisely. Once you've selected the part you want, you can save it as a new mp3 file.

One of the best features of SoundCutter is the ability to change the destination folder of the mp3 files. You can also cut in milliseconds and change mp3 tags. The app also allows you to change the layout colors to your liking.

In the future, SoundCutter plans to add more features such as saving cutted mp3 files as ringtones, alarms, and notification tones. They also plan to add a small tutorial to help users navigate the app, fix bugs, and maybe integrate a file browser to change the mp3 folder.

It's important to note that if the mp3 folder is changed to specific paths, mp3 files can't be saved anymore. SoundCutter used parts of the Ringdroid project.

Overall, SoundCutter is an excellent app for anyone who loves music and wants to cut and save their favorite parts of mp3 files.