Blue Cat Audio
Blue Cat Flanger
Blue Cat Flanger is a versatile vintage flanger effect offering both harsh metallic and smooth soft filtering sounds in a simple interface. Available as a free VST2 plugin for Windows.
VST2Modulation
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
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All categoriesDelay · 84Reverb · 76Dynamics · 106Mastering · 88Gates & de-essers · 24Pitch · 31Eq · 80Spectral · 21Filters · 69Distortion & overdrive · 70Lofi · 36Tube & tape · 19Preamps & amps · 29Modulation · 73Spatial · 51Multi-effects · 24
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1008 plugins
Every reviewed plugin matching the current filters.
Blue Cat Audio
Blue Cat Chorus
Blue Cat Chorus is a free vintage chorus effect plugin that simulates multiple voices for rich ensemble sounds or deep modulation.
VST2Modulation
Voxengo
Tube Amp
Tube Amp by Voxengo delivers asymmetric tube triode overdrive typical of single-tube microphone pre-amp boxes, ranging from warm mild overdrive to fuzzy distortion. It includes a -6 dB/oct low-pass filter built into the valve circuit.
VST2Preamps & amps
Wavesfactory
SnareBuzz
SnareBuzz by Wavesfactory is a free audio effect plugin that emulates the distinctive buzzing sound of snare wires when triggered by nearby instruments, adding a unique and cool character to your mix.
VST2Preamps & amps
Shattered Glass Audio
SGA1566
SGA1566 by Shattered Glass Audio is a vintage-inspired all tube preamplifier plugin delivering authentic analog sound through real-time circuit simulation. Available as a free VST2 for Windows.
VST2Preamps & amps
Michael Kingston
RetroBand
RetroBand is a 4-band analog distortion plugin that transforms sound by warming, sharpening, roughening, softening, and smoothing, perfect for enriching sterile sources or simulating failing equipment.
VST2Preamps & amps
Aurora DSP
FenrIR
FenrIR by Aurora DSP is a free impulse response loader and mixer for effortless IR file blending with real-time waveform and spectrum visualization.
VST2Preamps & amps
Tonelib
TubeWarmth
TubeWarmth by Tonelib is a free tube overdrive plugin that adds even-numbered harmonics to enrich and warm up dry digital signals with classic tube tone.
VST2Tube & tape
Accentize
PreFET
PreFET by Accentize is a free ML-based transistor pre-amp emulation capturing the character of a 70s tabletop cassette recorder. It colors sound depending on the drive setting.
VST2Tube & tape
DDMF
phi-L Tube Preamp
phi-L Tube Preamp by DDMF is a detailed tube preamp circuit emulation offering full user control over all circuit components for customization.
VST2Tube & tape
Rawoltage
The Bad Contact vst concept
The Bad Contact vst concept by Rawoltage is a free lo-fi VST2 plugin for Windows x64 that explores the musical potential of crackling knobs and switches as creative sound design elements.
VST2Lofi
Inear Display
Regressif
Regressif by Inear Display is a free sound degradation plugin featuring a multimode filter, distortion, samplerate reduction, bitcrushing, and dual LFOs for dynamic texture manipulation.
VST2Lofi
Cupwise FX
Radio Junk
Radio Junk by Cupwise FX recreates the unique sound of two different radio types using Nebula technology to sample hardware characteristics. Available as VST2 for Windows 32 and 64-bit systems with setups for 44.1 kHz and 96 kHz processing.
VST2Lofi
Cymatics
Origin
Origin by Cymatics is a vintage lo-fi plugin that transforms samples to sound like they come from an old tape machine using resampling, bitcrushing, and unique underwater filters.
VST2Lofi
Noisebud
Noisebud Bompa
Noisebud Bompa is a free VST2 plugin for Windows designed to add bottom end and dirt to drum loops, creating a lo-fi effect.
VST2Lofi
tritik
Krush
Krush by tritik is a lively bit-crusher that blends digital crunch with analog warmth using drive and resonant filters. It features modulation to add dynamic life to your sound.
VST2Lofi
GVST
GGrain
GGrain by GVST is a granular resynthesizer that breaks audio into short grains to reshape sound textures creatively. It lets you control grain number and size for unique lofi effects.
VST2Lofi
Mercuriall
Tubes Creamer 808 Core
Tubes Creamer 808 Core by Mercuriall is a free VST plugin that emulates the iconic Ibanez TS-808 Tube Screamer distortion pedal. It features a mod switch for traditional or cleaner sounds with enhanced bass.
VST2Distortion & overdrive
The free-plugin pulseUpdated Aug 25, 2026
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