Precision audio editing,
simplified.
SoundStar is a lightweight, offline audio editor. Trim, split, merge, adjust volume and speed, apply fades, and convert between MP3 and WAV — all on your device with zero data collection.
SoundStar
Audio Editing Precision
0
Data points collected
0
Servers or cloud
100%
On-device processing
1
Permission (file access)
Features
Professional audio editing tools, all offline. No accounts. No servers. No tracking.
Load audio files directly from your device. No limits on file size or duration.
See your audio visually. Touch to navigate, zoom, and place edit points with precision.
Precise trimming, segment splitting, and seamless merging of audio sections.
Adjust loudness with a simple slider. Speed up or slow down without changing pitch.
Add professional fade effects to the beginning or end of your audio.
Convert between MP3 and WAV formats instantly. All conversion happens on your device.
No internet required. All audio processing happens on your device — always.
SoundStar collects no personal data, stores nothing, and tracks nothing.
Workflow
01
Open SoundStar and select an MP3 or WAV file from your device. No upload, no delay.
02
Use the waveform editor to trim, cut, split, merge, adjust volume and speed, and add fades.
03
Save your edited audio as MP3 or WAV. All processing stays on your device.
Privacy
SoundStar processes everything on your device. Nothing is stored, transmitted, or shared.
Download SoundStar free. No sign-up. Offline audio editing from the moment you install.