Audio Volume Changer Online

Make audio quieter or louder with precise gain controls. Preview the selected level and export the result directly in your browser.

How to change audio volume

Adjust audio volume in three steps

Choose a file, preview a quieter or louder level, and download the changed audio directly to your device.

  1. 01

    Choose an audio file

    Select a supported audio file from your device. The source file remains in your browser.

  2. 02

    Choose and preview the volume

    Select a level from −20 dB to +12 dB and listen before exporting the result.

  3. 03

    Export and download

    Choose MP3, M4A, or WAV and save the volume-adjusted audio directly to your device.

Private audio volume changer

Adjust audio loudness without uploading your file

Reduce an overly loud recording or boost quiet speech with simple controls and an immediate browser preview.

Precise dB controls

Choose common gain levels from −20 dB to +12 dB instead of guessing with an unclear percentage.

Preview positive and negative gain

Listen to quieter and louder settings before exporting, including levels above the original volume.

Files stay on your device

Your source audio is processed locally in your browser instead of being uploaded to a remote server.

Audio volume changer FAQ

Frequently asked questions about changing audio volume

Learn how gain, clipping, preview, output formats, and local browser processing work.

How do I make an audio file louder or quieter?

Choose an audio file, select a dB level, preview it, then choose an output format and download the changed audio.

What does dB mean?

Decibels measure the amount of gain applied. Negative values make audio quieter, 0 dB keeps the original level, and positive values make it louder.

Can increasing volume cause distortion?

Yes. If the source is already close to its maximum level, positive gain can cause clipping and distortion. Preview a loud section before exporting.

Can I preview the new volume before downloading?

Yes. The audio player applies the selected gain while it plays, including positive gain settings.

Which output formats are available?

You can export the volume-adjusted audio as MP3, M4A, or WAV.

Is my audio uploaded to a server?

No. Your source file stays on your device and is processed locally in your browser.