Change Audio Volume
Increase or decrease an audio file volume by percentage, export MP3
🔒 Files are never uploaded to a server — everything runs right in your browser.
Drag & drop your file here
or click to choose from your computer
🔊 0–300%
Drag to 0% for silence, 100% keeps it, above 100% to boost. Output is MP3.
⚡ Runs on your device
The first run downloads a ~25MB engine, then everything runs in your browser with no upload.
🔒 Private
The file never leaves your device.
Change Audio Volume Online
This change audio volume tool boosts a too-quiet file or lowers a too-loud one with a slider from 0% to 300%. Output is MP3.
Processing runs inside your browser with ffmpeg.wasm, so nothing is uploaded. The first run downloads a ~25MB engine.
How to change audio volume
- Drag and drop or choose an audio file.
- Drag the volume slider (0–300%).
- Click Apply and download the MP3.
Key features
- Boost or reduce from 0% to 300%.
- Accepts MP3, WAV, M4A, OGG, FLAC.
- Runs in the browser with no upload.
FAQ
Is the file uploaded to a server? No. Everything runs in your browser.
Can boosting distort? Possibly, if the original is already loud a big boost may clip.
What format is the output? MP3.