HY-Plugins
HY-Reso
HY-Reso is a free filter effect plugin featuring three parallel bandpass filters with LFO and envelope follower modulation and a resizable interface.
VST2Filters
Instruments, effects, and hidden gems
Free plugins: Effects
Browse 1008 reviewed free effect plugins for Windows, with compatibility 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
1008 plugins
Every reviewed plugin matching the current filters.
HY-Plugins
HY-Filter3 free
HY-Filter3 free is a multimode filter plugin featuring two filter modes, a randomizer, base color editing, and a resizable interface with preset management.
VST2Filters
HY-Plugins
HY-Filter
HY-Filter by HY-Plugins is a versatile free filter plugin for Windows, featuring four distinct filter modes including state variable, formant, telephone, and comb filters.
VST2Filters
Shuttleplug
Hulo
Hulo by Shuttleplug is a free LFO-controlled filter effect plugin for Windows that offers stereo modes and tempo-synced modulation.
VST2Filters
Oli Larkin
Formant Filter
Formant Filter by Oli Larkin is a free VST2 filter effect for Windows that uses a bank of 5 band pass filters to imprint formant peaks from one sound onto another. It includes vowel presets and a custom formant mode for user-defined values.
VST2Filters
Acrobatics
Forbice
Forbice by Acrobatics is a stereo filtering module designed for intensive audio cutting and mangling with flexible parameter configurations and interactive envelope filtering.
VST2Filters
Audioutsider
FollowTroller
FollowTroller by Audioutsider is a unique amplitude and filter effect that lets you modulate the envelope or cutoff frequency using another audio signal, offering envelope follower style control.
VST2Filters
GuDa audio
FiltR
FiltR by GuDa audio is a versatile multimode filter plugin featuring transistor ladder, K 2 Pole, and diode ladder filter types with overdrive.
VST2Filters
CFA-Sound
FilterGrizzly 2
FilterGrizzly 2 by CFA-Sound is a warm and character-rich filter featuring tube-based saturation, analog modeled filters, and advanced oversampling for Windows.
VST2Filters
beatassist.eu
Filter&Gate
Filter&Gate by beatassist.eu offers six versatile filter and gating effects including trancegate, dubstep rhythm creator, and multi-band filters for Windows VST2 hosts.
VST2Filters
Robin Schmidt
Engineers Filter
Engineers Filter is a free VST2 filter plugin for Windows offering extremely steep filtering using high order IIR designs like Butterworth, Chebychev, inverse Chebychev, and elliptic filters.
VST2Filters
Davisynth
EMSFilter
EMSFilter by Davisynth is a free multimode filter plugin for Windows offering versatile sound shaping capabilities.
VST2Filters
easytoolz
easy-mf 202
easy-mf 202 by easytoolz is a free filtering effect plugin for Windows featuring a moogysh lowpass filter, envelope follower, overdrive, saturation, and an LFO with five waveforms plus sample and hold. It includes 16 presets.
VST2Filters
Davi Santos
DvnKeyFilter
DvnKeyFilter is a versatile low pass filter plugin where the cutoff frequency is dynamically controlled by key tracking and an expression parameter assignable to any MIDI CC or DAW envelope.
VST2Filters
B Serrano
Ceres
Ceres by B Serrano is a free VST2 audio filter plugin for Windows featuring multiple filter types, an envelope, two LFOs, and a BPM-syncable 8-step sequencer.
VST2Filters
Tweakbench
breakdown
breakdown by Tweakbench is a free filter effect plugin featuring a variable length step sequencer that controls filter type, cutoff, and resonance for each step, enabling diverse effects.
VST2Filters
Krakli
Bertatron
Bertatron by Krakli is a 7-stage filterbank with individual cutoff and frequency controls plus phase inversion on each filter for unique sound shaping.
VST2Filters
Fabric 70
Basic Filters
Basic Filters by Fabric 70 is a high-performance IIR filter plugin featuring envelope and LFO control triggered by the input signal. Offers multiple filter types including low pass, high pass, band pass, and more.
VST2Filters
The free-plugin pulseUpdated Aug 23, 2026
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