Easy way to crop / cut part of an audio file.
Open the audio file, play, seek to the part you want to cut, coarse select the audio of interest, open selected audio in editor.
Fine-cut the audio, export to audio file.

Export file formats:
- *.m4a ( requires Android 8.0+ )
- *.wav format.

Editor functions:
- selection start
- selection end
- play selection
- keep selection (remove everything else)
- remove selection (keep everything else)
- amplify to the maximum amplitude without clipping
- zero amplitude (convert selection to silence)
- convert stereo track to mono
- add "padding" (fade-in + fade-out + silence added on both ends)

App. can also be launched by audio file open / edit intents or by sharing an audio file to it.

Enjoy ツ