Instruments, effects, and hidden gems

Free plugins: Effects

Browse 1008 reviewed free effect plugins for Windows, with compatibility and installation details.

Install IndiePlugins
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories

Filtered catalog

1008 plugins

Every reviewed plugin matching the current filters.

MSter Balance plugin interface
Ourafilmes

MSter Balance

MSter Balance by Ourafilmes is a mastering plugin that uses four knobs to intuitively control tonal balance and stereo field via a transparent crossover filter splitting the signal into mono low and stereo high bands.

VST2Mastering
MS matrix plugin interface
Cana San Martin

MS matrix

MS matrix by Cana San Martin is a free Mid/Side encoder and decoder plugin for Windows in VST2 format.

VST2Mastering
Mid-Side Signal Processor plugin interface
Terry West

Mid-Side Signal Processor

Terry West's Mid-Side Signal Processor is a free mastering plugin for decoding and processing independent middle and side stereo signals. It supports Win32 with VST2 format.

VST2Mastering
MHORSE P3 mkII plugin interface
Terry West

MHORSE P3 mkII

MHORSE P3 mkII by Terry West is a free parallel mastering processor for Windows featuring three parametric equalizers with flexible band settings and a loudness boost filter.

VST2Mastering
MHorse P3 plugin interface
Terry West

MHorse P3

MHorse P3 is a full parallel mastering processor featuring three parallel parametric equalizers, wide Q settings, and versatile boost/cut filters for precise tonal control.

VST2Mastering
MHorse plugin interface
Terry West

MHorse

MHorse by Terry West is a master channel processor for Windows inspired by vintage studio consoles, featuring 13 graphic EQ bands, serial/parallel modes, and MS Clarity processing.

VST2Mastering
Maxwell Smart plugin interface
Lively Audio

Maxwell Smart

Maxwell Smart by Lively Audio is a transparent true peak limiter and loudness maximizer with look-ahead, designed to increase loudness while preserving transients and avoiding distortion.

VST2Mastering
Mastering LPEQ plugin interface
Quantum-Music

Mastering LPEQ

Mastering LPEQ is a transparent linear phase equalizer designed specifically for mastering. Developed in collaboration with the École polytechnique de Montréal, it delivers precise and clear EQ adjustments.

VST2Mastering
Masquarade Xtra plugin interface
Terry West

Masquarade Xtra

Masquarade Xtra is a free mastering channel EQ plugin for Windows featuring Mid/Side mode, separate left/right output gain, and flexible band controls.

VST2Mastering
M-EQ plugin interface
Samsara Cycle Audio

M-EQ

M-EQ by Samsara Cycle Audio is a mastering equalizer plugin designed for precise tonal adjustments in the mastering stage. Available as a free VST2 plugin for Windows 32-bit systems.

VST2Mastering
LoudMax plugin interface
Thomas Mundt

LoudMax

LoudMax is a look-ahead brickwall loudness maximizer that maintains a clean and transparent sound, preserving the original character of your music even at high compression levels.

VST2Mastering
Logic Channel plugin interface
smacklabs

Logic Channel

Logic Channel by smacklabs is a free high-quality channel strip VST plugin for Windows that features Compressor, Gate, Filters, and EQ inspired by a renowned British console series.

VST2Mastering
LOADED plugin interface
Analog Obsession

LOADED

LOADED by Analog Obsession is a free Solid State 500 series channel strip plugin featuring five separate units with individual bypass controls and a main bypass. Includes a custom preamp and an intuitive GUI.

VST2Mastering
LA school esquire limiter plugin interface
DSPplug

LA school esquire limiter

LA school esquire limiter by DSPplug is a CPU-efficient envelope and pumping limiter plugin for Windows. It offers two distinct algorithms for sound processing: a standard envelope mode and a unique pumping mode for creative effects.

VST2Mastering
Instant plugin interface
Terry West

Instant

Instant by Terry West is a simple pre-mastering processor for Windows with a tone dial and output gain control in a single knob effect.

VST2Mastering
Ghost plugin interface
Blue Lab Audio

Ghost

Ghost by Blue Lab Audio is a spectrogram visualization and editing plugin featuring intuitive zoom and region-based playback for detailed spectral analysis.

VST2Mastering
Gain bundle plugin interface
Blue Lab Audio

Gain bundle

Gain bundle by Blue Lab Audio offers precise output gain control to boost track levels without adjusting the fader, ideal when automation or plugin chains limit fader use.

VST2Mastering
Free Clip plugin interface
Venn Audio

Free Clip

Free Clip by Venn Audio is a versatile multi algorithm soft clipper and wave shaper plugin offering a variety of wave shapes from harsh hard clip to smooth arctangent saturation.

VST2Mastering
The free-plugin pulseUpdated Aug 24, 2026

1696 plugins are ready to install in one click.