About the Volume Booster
Quiet lecture recordings, phone voice notes and videos recorded from far away can be hard to hear. Raise the volume here; loud peaks are softly limited instead of crackling.
How to increase the volume of an audio file
- Add audio or video files.
- Set the volume (180% is a good start).
- Download the louder file.
Features
- Up to 300%For very quiet recordings.
- Soft limitingAvoids harsh clipping.
- Any format inMP3, M4A, WAV, video.
- BatchMany files at once.
Frequently asked questions
Why does the audio sound distorted?
The recording was already close to full volume. Lower the boost a little.
Is the Volume Booster free?
Yes. The Volume Booster is completely free with no sign-up, no watermarks, no daily limits and no premium tier.
Are my files uploaded to a server?
No. FileStripe processes your files locally in your web browser using JavaScript. Nothing is uploaded, so the Volume Booster is safe for private photos and confidential documents and even works offline once the page has loaded.
Does it work on iPhone and Android?
Yes. The Volume Booster works in Safari, Chrome, Firefox, Edge and Samsung Internet on phones, tablets and computers. On a phone you can pick files from your photo library or files app and share the result straight to another app.
Last updated · Processing happens locally in your browser.