Change audio volume
Make a recording louder, quieter, or consistent throughout.
- Runs on your device — the file is never sent anywhere
- No sign-up, no watermarks, no daily quotas
- Free, with no limit on how often you use it
How it works
Quiet recordings are the usual complaint: an interview where the microphone was too far away, a voice memo you can barely hear, a track that is noticeably quieter than everything around it. Simply turning the gain up is the obvious fix and often the wrong one.
Normalising versus boosting
Boosting multiplies everything, including the noise floor, and anything already near maximum distorts. Normalising measures the actual perceived loudness and adjusts towards a target — so quiet parts come up, loud parts do not clip, and the result matches the loudness other material is mastered to.
The target used
Normalising targets −16 LUFS with a true peak ceiling of −1.5 dB. That is the level streaming services and podcast platforms expect, so a normalised file sits at a sensible volume next to anything else.
When to use a fixed change instead
A fixed adjustment in decibels is right when you want a specific relative change — quietening background music under narration, for instance — or when the material is already well balanced and just sits low.
Clipping cannot be undone
Raising a recording that already peaks near maximum destroys the peaks permanently, which sounds like harsh distortion. If a boosted result sounds bad, go back to the original and normalise instead.
Change audio volume — questions
Should I normalise or boost?
Normalise, in almost every case. It targets a consistent loudness rather than multiplying what is already there.
What loudness does it normalise to?
−16 LUFS with a −1.5 dB true peak ceiling, which is the streaming and podcast standard.
Why does my boosted file sound distorted?
It was already close to maximum, so raising it clipped the peaks. That is permanent — start again from the original and normalise.
Is my recording uploaded?
No. It is processed in your browser.