Make quiet audio louder, without clipping
Drop a recording that's too quiet, raise it by the amount you choose or normalize its loudest peak, and let the soft limiter catch peaks that would distort. Preview it, then save a WAV.
A boost raises everything, including background noise. If the peak is already near 0 dB, only the limiter can make it louder, by squashing the loudest moments.
To make audio louder, drop the file here and either choose a boost in dB (+6 dB doubles the amplitude) or pick Normalize, which raises the whole file until its loudest peak sits at -1 dB. If a boost would push peaks past 0 dB, the soft limiter rounds them off instead of clipping them. Preview the first 10 seconds, then save a 16-bit WAV at the original sample rate. Everything runs in your browser.
3 steps, a few seconds
Add your audio
Drop an MP3, M4A, WAV, OGG or FLAC file, or a video to take its sound.
Choose the boost
Set a gain from -12 to +24 dB, or normalize the peak to -1 dB.
Preview and save
Listen to the first 10 seconds, then save the louder audio as a WAV.
What the Audio Volume Booster does
Up to +24 dB
Raise quiet recordings a lot, or lower loud ones by up to 12 dB.
Normalize
Brings the loudest peak to -1 dB, the most it can rise without limiting.
Soft limiter
Rounds off peaks above -1 dB and holds them under -0.1 dB, so a big boost doesn't crackle.
Preview
Hear the first 10 seconds with your settings before you save.
WAV output
16-bit WAV at the original sample rate, stereo or mono.
Private
Processed in your browser. Your audio is never uploaded.
- Input
- MP3, M4A, WAV, OGG, FLAC or a video's sound, up to 300 MB and 60 minutes
- Gain
- -12 to +24 dB in 0.5 dB steps, or normalize the peak to -1 dBFS
- Limiter
- Soft knee from -1 dBFS up to a -0.1 dBFS ceiling, so peaks never reach 0 dB
- Output
- 16-bit PCM WAV, original sample rate, stereo or mono
- Cost and privacy
- Free, no sign-up; runs in your browser
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Questions about the Audio Volume Booster
How do I make an audio file louder?
What does normalize do?
Why does my boosted audio sound distorted?
Can it save as MP3?
Will it remove background noise?
Is my audio uploaded?
Link to this tool
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