0% to 300%
Fine-tune loudness with a simple slider before export.
Free Online Audio Volume
Make audio louder or quieter. Set volume from 0% to 300%, batch process MP3, WAV, M4A—locally in your browser.
Drag & drop audio files
MP3, WAV, M4A · Up to 200 MB each
100%
Processed locally in your browser — files never leave your device. Need more features offline? Try the Windows Audio Cutter.
Why Adjust Audio Volume Online?
Normalize quiet recordings or boost volume without desktop software.
Batch adjust
Process multiple files at the same volume level.
Private
Volume changes are applied locally—no cloud upload.
How to Adjust Audio Volume Online in 3 Steps
Normalize quiet recordings or boost volume without desktop software.
1
Add audio files
Drag and drop MP3, WAV, or M4A files, or click Choose Files. Each file can be up to 200 MB.
2
Set volume and format
Move the volume slider (0% to 300%) and choose MP3, M4A, WAV, or OGG as the output format.
3
Adjust and download
Click Adjust Volume. Download each file when processing completes.
Audio Volume FAQ
Can I make audio quieter?
Yes. Set the slider below 100% to reduce volume, or to 0% for silence.
Will boosting volume cause distortion?
Very high levels (above 200%) may clip on already-loud files. Start around 120–150% for quiet recordings.
Which formats can I export?
MP3, M4A, WAV, or OGG.
Need Pro Audio Tools on Windows?
Videoradius Audio Cutter supports MP3, WAV, M4A, merge, fade, and 100% offline processing.