Boost Audio Volume Online (with Soft Clipping)
Free online volume booster: increase or lower audio volume up to ±24 dB with soft clipping. Runs 100% in your browser — no upload.
About Volume Booster
Volume Booster is a free online audio tool that runs entirely in your browser. There is nothing to install and no account to create: open the page, use the tool, and download the result. Because all processing happens locally on your device (via WebAssembly), your files and text are never uploaded to any server.
How to use Volume Booster
- Drop your audio file into the upload area.
- Set the gain in decibels (positive boosts, negative lowers).
- Click Apply gain and download the result.
Frequently asked questions
Is Volume Booster really free?
Yes — Volume Booster is completely free, with no account, no watermark, and no usage limits. It runs entirely in your browser.
Are my files uploaded to a server?
No. All processing happens locally on your device using WebAssembly. Your files never leave your computer — close the tab and nothing remains.
Which browsers are supported?
Any modern browser on desktop or mobile: Chrome, Firefox, Safari, and Edge.
Related tools
Audio Converter
Convert audio files to WAV or MP3 entirely in your browser.
runs locallyAudio Cutter
Trim an audio file to a start and end time.
runs locallyAudio Noise Reducer
Reduce background hiss and noise from recordings with a noise gate.
runs locallyVoice Recorder
Record audio from your microphone and download it as a WAV file.
runs locallyAudio Speed Changer
Speed up or slow down audio without changing its pitch.
runs locallyVoice Changer
Change the pitch of a voice recording — chipmunk, deep voice, or any custom amount.
runs locally