FineTune

FineTune is a free and open-source macOS menu bar app that gives you precise control over your audio. Control the volume of every app independently, boost quiet ones up to 4x, route audio to different speakers, and shape your sound with EQ and headphone correction.

Features

Per-app volume control — Individual sliders and mute for each application
Per-app volume boost — 2x / 3x / 4x gain presets
Multi-device output — Route audio to multiple devices simultaneously
Audio routing — Send apps to different outputs or follow system default
10-band EQ — 20 presets across 5 categories
User EQ presets — Save, rename, and manage custom EQ configurations per app
AutoEQ headphone correction — Search thousands of headphone profiles or import your own ParametricEQ.txt files
Loudness compensation — Automatic bass and treble correction at low volumes using ISO 226:2023 equal-loudness contours
Input device control — Monitor and adjust microphone levels
Bluetooth device management — Connect paired devices directly from the menu bar
Dynamic menu bar icon — Pick from four styles (Default, Speaker, Waveform, Equalizer)
Global volume hotkeys — Bind keys to App Volume Up/Down and Mute
Media keys & Volume HUD — F10–F12 control with on-screen HUD
Light or Dark theme — Matches macOS or locks to Light/Dark