Bass Booster

Choose bass gain and cutoff frequency, process locally with Web Audio, preview, and export WAV.

Choose audio file

Bass gain (dB)

+6 dB

Low-shelf frequency

Choose an audio fileUses a Web Audio low-shelf filter. Large boosts can cause clipping in already-loud material.

How to use this Bass Booster

Boost or reduce low frequencies in an audio file with a browser-based low-shelf filter. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.