Instruments, effects, and hidden gems

Free plugins: Effects

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

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Every reviewed plugin matching the current filters.

Stepcomb plugin interface
Oli Larkin

Stepcomb

Stepcomb by Oli Larkin is a free stereo comb filter VST effect featuring pitch control via a step sequencer for dynamic filtering.

VST2Filters
SF-1 plugin interface
Samsara Cycle Audio

SF-1

SF-1 by Samsara Cycle Audio is a straightforward low pass and high pass filter with filter select, level controls, MIDI learn, and 32 patch spaces.

VST2Filters
Rez3 plugin interface
Z3 Audiolabs

Rez3

Rez3 by Z3 Audiolabs is a free resonator plugin featuring a multi-LFO with six waveforms and an envelope follower for dynamic modulation of tone, feedback, filter cutoff, and resonance.

VST2Filters
Resonator plugin interface
SyncerSoft

Resonator

Resonator by SyncerSoft is a resonance and morph filter effect designed to create clear, penetrating sounds favored in live performances across electronic music genres.

VST2Filters
Philteroid plugin interface
Phuturetone

Philteroid

Philteroid by Phuturetone is a dual filter effect tailored for rhythmic sounds like drums, bass, synth, and guitar. It offers FM, AM, and saturation features to add unique character and texture.

VST2Filters
OT FUNimator plugin interface
Orchestools

OT FUNimator

OT FUNimator is a pattern-based LFO plugin offering rhythmic filter and gain modulation with 13 filter modes, MIDI-triggered patterns, and automation controls to add dynamic motion to your audio.

VST2Filters
NTQ plugin interface
Samsara Cycle Audio

NTQ

NTQ by Samsara Cycle Audio is a free 2-stage notch filter VST2 plugin for Windows. It covers 60Hz to 4kHz with bandwidth and mix controls.

VST2Filters
NorthPole plugin interface
Prosoniq

NorthPole

NorthPole by Prosoniq is a free resonant filter plugin featuring 24dB/oct low pass and band pass modes, adjustable cutoff and resonance, distortion, delay, and an envelope follower with customizable sensitivity and attack/release times.

VST2Filters
Nibiru 3 plugin interface
B Serrano

Nibiru 3

Nibiru 3 by B Serrano is a free parallel filters effect plugin featuring four multi-mode filters, extensive modulation options, and advanced envelope control.

VST2Filters
NF2 plugin interface
Samsara Cycle Audio

NF2

NF2 by Samsara Cycle Audio is a free notch filter plugin inspired by the Ibanez MSP 1000 notch filter section. Designed for Windows 32-bit systems, it offers precise frequency attenuation in VST2 format.

VST2Filters
Naive LPF plugin interface
Admiral Quality

Naive LPF

Naive LPF by Admiral Quality is a resonant low/high-pass filter plugin offering a classic sound with separate envelope followers for six channels and extensive control options including automation, MIDI CC, and joystick.

VST2Filters
MYFX ONE plugin interface
Odosynths

MYFX ONE

MYFX ONE by Odosynths is a free LFO-driven filter unit featuring high-frequency oscillators modulating dual 4-pole filters with simple LFOs and a channel crosser.

VST2Filters
modulatedFilter plugin interface
Saschart

modulatedFilter

modulatedFilter by Saschart is a low-resource modulated filter plugin with one LFO, offering lowpass, highpass, and bandpass filtering with adjustable bandwidth and mix.

VST2Filters
Modfilter plugin interface
696Audio

Modfilter

Modfilter by 696Audio offers dual state variable filters each modulated with independent LFOs and selectable waveforms, with adjustable filter modes for versatile sound shaping.

VST2Filters
Midinaut Filta plugin interface
Midinaut

Midinaut Filta

Midinaut Filta is a free parallel stereo filter plugin featuring separate lowpass and highpass filters with resonance and stereo LFOs for dynamic modulation. Available in VST2 format for Windows 64-bit.

VST2Filters
Mad Filter plugin interface
Rast Sound

Mad Filter

Mad Filter by Rast Sound is a free analog-style filter and drive plugin delivering warm and rich tones with versatile filter transitions.

VST2Filters
KranchDD plugin interface
KINDZAudio

KranchDD

KranchDD by KINDZAudio is a versatile filter plugin featuring multiple distortion algorithms for creative sound shaping.

VST2Filters
IO Filter plugin interface
B Serrano

IO Filter

IO Filter by B Serrano is a paraphonic multifilter effect with a sophisticated GUI envelope capable of infinite duration, offering multimode filtering including low-pass, high-pass, band-pass, and peak modes in a cascade arrangement.

VST2Filters
The free-plugin pulseUpdated Aug 23, 2026

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