Change Volume
AudioNormalize, boost, or reduce an audio track's loudness.
What is Change Volume?
Change Volume raises or lowers the loudness of an audio file and saves the adjusted version, all inside your browser. Drop in an MP3, WAV, M4A, or OGG file and move a single slider from 0% up to 400% of the original level. The gain is applied with the Web Audio API on your device, so your file is never uploaded.
How to use Change Volume
Add your audio
Drag a file onto the drop zone or click to browse. The tool decodes it and shows a playable preview alongside its name, size, and duration.
Set the volume
Drag the Volume slider between 0% and 400%. 100% keeps the original level, values below reduce it, and values above amplify it.
Watch for clipping
Boosting well above 100% can push loud peaks past the maximum and cause distortion. Nudge the level down if the result sounds harsh.
Apply and download
Click Apply & download to render the new level and save it. All processing happens locally, so nothing is uploaded.
Common uses
- Boost a quiet recording that is hard to hear
- Turn down a clip that is uncomfortably loud
- Even out the level of a voice memo before sharing
- Amplify a faint interview or lecture capture
- Reduce a backing track so it sits under narration
- Rescue audio recorded too far from the microphone
Why choose Super File Tools
Privacy-first
Most tools process your files inside your browser and never upload them to a server.
Free, no account
No sign-up, no watermark, no paid tier. Just open a tool and use it.
Instant
For local tools, work starts the moment you drop a file — no upload or queue.
Runs in your browser
Most tools are built on open web standards and work on any modern desktop browser.
No upload size caps
For local tools, nothing leaves your device, so the only limit is your machine’s memory.
Yours to keep
Results download straight to your device in clean, standard file formats.