Free Tool

Free Volume Booster

Raise the volume of a quiet audio file.
Free, private, no upload to a server. Everything happens in your browser.

All processing happens 100% in your browser — your audio is never uploaded anywhere.

Upload Audio
.mp3.wav.m4a
Drag & drop or click to browse · Max 50 MB
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Built by Perry — tools I needed, free for anyone who wants them.