Terry West
Saturn Console
Saturn Console is a free saturation-based channel and buss enhancer for Windows, featuring US preamp and crosstalk emulation, fixed filters, and combined stereo/mono operation.
VST2Mastering
Instruments, effects, and hidden gems
Free plugins: Mastering
Browse 88 reviewed free mastering plugins for Windows, with compatibility, formats, interface previews, and installation details.
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories
All categoriesDelay · 84Reverb · 76Dynamics · 106Mastering · 88Gates & de-essers · 24Pitch · 31Eq · 80Spectral · 21Filters · 69Distortion & overdrive · 70Lofi · 36Tube & tape · 19Preamps & amps · 29Modulation · 73Spatial · 51Multi-effects · 24
Filtered catalog
88 plugins
Every reviewed plugin matching the current filters.
Blue Lab Audio
SampleDelay
SampleDelay is a precise utility plugin by Blue Lab Audio that applies a short delay at the sample level, ideal for subtle track timing adjustments.
VST2Mastering
Cockos
ReaXcomp
ReaXcomp is a versatile unlimited band compressor offering detailed metering and extensive control per band, ideal for mastering tasks on Windows.
VST2Mastering
Variety Of Sound
preFIX
preFIX by Variety Of Sound is a free pre-mixing and audio alignment tool for cleaning up, fixing, and aligning audio tracks before mixing.
VST2Mastering
SocaLabs
Oscilloscope
Oscilloscope by SocaLabs is a stereo sound analyser plugin featuring adjustable trigger levels and Y offset per channel.
VST2Mastering
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
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
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
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
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
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
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
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
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
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
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
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
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
The free-plugin pulseUpdated Aug 23, 2026
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