Load your audio file — Tap to browse or drag and drop any audio file (MP3, WAV, AAC, M4A, FLAC and more). Maximum file size is 200 MB and 15 minutes duration.
Adjust the boost — Turn the knob to increase volume up to 30 dB. Use the VU meter to monitor levels in real time. Tap the meter to see exact decibel readings.
Compare — Tap the Compare button to switch between original and boosted audio instantly.
Save — Tap "Save Boosted Audio" to export your file as a high-quality M4A. Share it via AirDrop, Messages, Email or save to your device.
What audio formats are supported?
Audio Booster supports all major formats including MP3, WAV, AAC, M4A, FLAC and more.
Is there a file size limit?
Yes. Files must be under 200 MB and shorter than 15 minutes.
What format is the exported file?
Boosted audio is exported as M4A (AAC) for the best balance of quality and file size.
Is Audio Booster free?
Yes. Audio Booster is completely free with no subscriptions, ads or hidden fees.
If you have questions, feedback or need help, please reach out to us at:
ahmetkasimnazli.dev@gmail.com
We typically respond within 48 hours.