Audio Volume Booster & Normalizer
Audio & Video ToolsMake quiet audio louder, with fades and a soft limiter
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History
All history →Audio Volume Booster & Normalizer — at a glance
Fix recordings that are too quiet or too loud.
How to use it — step by step
An audio file, or a video with sound.
Add audio
Choose the quiet (or loud) recording.
Pick the method
Normalize finds the best gain for you, or choose dB change yourself.
Press Apply
The audio is processed on your device.
Listen and download
Check the level, then save it.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Will boosting add noise?+
Boosting also raises background noise. It cannot repair a recording that was captured too quietly.
What is normalize?+
It scales the file so its loudest point reaches about 97% of the maximum.
What is the limiter?+
A gentle curve that rounds very loud peaks instead of cutting them flat, which sounds much cleaner.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.