Adjust audio volume online free
Adjust the volume of your MP3, WAV, FLAC audio files with precision. Increase or decrease in decibels. Free online tool, local processing! Try Convertly Audio.
How it works
Upload your audio file
Adjust volume with the slider
Download the modified file
100% local adjustment in your browser. No files sent to our servers.
Drag and drop your audio files
or click to select (MP3, WAV, FLAC, OGG, AAC, M4A)
Amplify or reduce sound of your files
Our volume adjustment tool lets you boost quiet recordings or reduce files that are too loud. Ideal for balancing volume across multiple tracks before mixing.
Adjust Volume Without Distortion
Our Convertly Audio tool precisely adjusts volume, preventing clipping or distortion. The audio quality, bitrate, and original format (MP3, WAV, FLAC, OGG, AAC, M4A) are 100% preserved in the modified file.
Increase or Decrease Volume for Free
No registration, no software required. Our Convertly Audio volume adjustment tool is completely free and usable on any browser, on desktop, tablet, or smartphone.
Adjust Volume Precisely in Decibels
Set the exact gain in decibels (dB), from -30 dB to +30 dB. Ideal for normalizing multiple tracks, saving a too-low recording, or reducing a saturated file for a balanced mix, with optional fade in / fade out.
Fast and Secure Volume Adjustment
Processing is done locally in your browser using FFmpeg WebAssembly. Your Convertly Audio files never leave your device, ensuring total privacy and maximum speed.
Adjust MP3, WAV, AAC volume losslessly
Our tool supports MP3, WAV, AAC, FLAC, OGG, and M4A. Increase or decrease volume in dB with precision, while maintaining the original audio quality of your source files.
Supported audio formats
How to use this tool
1Step 1
Upload your audio file
2Step 2
Adjust volume with the slider
3Step 3
Download the modified file
Guaranteed privacy
100% local adjustment in your browser. No files sent to our servers.