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Upload an audio file
Choose or drop an audio file your browser can decode.
Audio Tools
Audio Volume Changer
Increase, decrease, or normalize the volume of an audio clip and export the result as a new file.
Upload an audio clip, make it louder or quieter in decibels, or normalize it so its loudest point hits a level you choose, then preview the result and export a new WAV file — entirely in your browser. Boosting volume too far can cause clipping, so this tool predicts and warns you about it before you export. Need to change playback speed instead? Try Audio Speed Changer.
Your audio is processed locally in your browser. It isn't uploaded to our servers.
Drag files here
or tap below to choose files from your device
Supports common audio formats your browser can decode (MP3, WAV, M4A, OGG, and more)Maximum 300.0 MB.
How it works
Private audio volume changing in your browser
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Choose a volume or normalize
Pick a level from -12 dB to +12 dB, or switch to Normalize and choose a target peak, then preview it.
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Change volume and download
Export the result as a WAV file and download it with a custom filename.
Use cases
When this comes in handy
Boost a quiet recording
Raise the volume of a voice memo or field recording that came out too quiet.
Turn down a loud clip
Lower the volume of a clip that's louder than the rest of your project.
Match levels across clips
Even out volume differences between clips recorded at different times.
Normalize before sharing
Bring a clip's loudest point to -1 dB so it is as loud as it can safely be without clipping.
FAQ
Common questions
Is my audio uploaded anywhere?
No. Decoding, preview playback, volume processing, and export all happen locally in your browser.
What does changing volume do?
Volume adjustment changes the amplitude of the audio without changing its duration. -6 dB makes it quieter, 0 dB leaves it unchanged, and +6 dB makes it approximately twice as loud.
What is clipping?
Boosting audio too much can push samples past the loudest representable level, which clips and can sound distorted. This tool predicts clipping from the source audio and warns you before you export.
What does normalize do?
Normalize finds the loudest sample in the clip and applies one gain to the whole clip so that sample reaches the level you choose, such as -1 dBFS. Everything stays in proportion, stereo balance is kept, and because the target is never above full scale, it can't clip.
Is normalizing the same as making audio equally loud?
No. This is peak normalization, which only looks at the loudest single sample. Two clips with the same peak can still sound different in loudness. It does not measure perceived loudness (LUFS) or compress dynamics. Normalizing a very quiet clip also raises its background noise, and the tool warns you about large boosts.
Can I preview the volume before exporting?
Yes. Preview plays the clip at your selected volume before you export anything.
What audio formats can I upload?
Whatever your browser's built-in audio decoder supports — most browsers handle MP3, WAV, M4A, and OGG. If a file can't be decoded, you'll see a clear message rather than a silent failure.
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