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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Vocoral plugin interface
Quilcom

Vocoral

Vocoral by Quilcom multiplies a monophonic vocal input into a rich 20-part stereo unison choir with precise panning across 20 points.

VST2Pitch
V-coder plugin interface
Audioutsider

V-coder

V-coder by Audioutsider is a real-time classic vocoder featuring 2 VCOs, VCF, noise generator, chorus, and distortion effects for Windows.

VST2Pitch
TunedDelays plugin interface
Elena Design

TunedDelays

TunedDelays by Elena Design is a delay-based harmonizer that transforms noises from microphones or percussion into musical material, creating realistic guitar-like strums from mic input.

VST2Pitch
tcStretch plugin interface
ToneCarver

tcStretch

tcStretch by ToneCarver is a free VST2 plugin for Windows that offers extensive time stretching, pitch shifting, and spectral blurring capabilities with sensitivity to transients.

VST2Pitch
SYKK plugin interface
Shuttleplug

SYKK

SYKK by Shuttleplug is a free pitch modulation effect for Windows offering versatile control from subtle chorus to intense pitch shifts.

VST2Pitch
Swoosh plugin interface
Perspective Sound

Swoosh

Swoosh by Perspective Sound is a free pitch shifter plugin that emulates the short delay and pitch shift drum sounds of the late 70s and early 80s. It offers a quick and easy setup for vintage analog-style pitch shifting.

VST2Pitch
Stratum plugin interface
zOne.sk

Stratum

Stratum by zOne.sk is a free VST2 plugin for Windows that creates rich unison effects with control over each voice's amplitude and stereo position. Expand mono sources into stereo, apply synced pitched delays, or add harmonic excitation and harmonization.

VST2Pitch
sideslip plugin interface
Tweakbench

sideslip

sideslip by Tweakbench is a granular pitch shifter effect featuring a variable length step sequencer. Modify pitch and grain size per step with customizable sequencer modes and granular envelope types.

VST2Pitch
RoVee plugin interface
g200kg

RoVee

RoVee by g200kg is a free voice-changing VST2 plugin for Windows x86 that tweaks formants to morph voices into male, female, toy, or robotic styles.

VST2Pitch
Pitchproof plugin interface
Aegean Music

Pitchproof

Pitchproof is a pitch shifting effect plugin that emulates classic guitar harmonizer pedals with modern quality. It shifts the pitch of the input signal while preserving its character.

VST2Pitch
Pitch Shifter plugin interface
Robin Schmidt

Pitch Shifter

Pitch Shifter by Robin Schmidt is a free VST2 plugin for Windows that shifts the pitch of audio signals using a delayline with crossfaded read pointers, enabling feedback effects.

VST2Pitch
KeroVee plugin interface
g200kg

KeroVee

KeroVee is a free pitch correction VST2 effect plugin for Windows that offers a distinctive autotune effect differing from a vocoder. It allows mixing of two transposed pitch-corrected outputs alongside the bypassed signal.

VST2Pitch
HarmonicBoost plugin interface
ChromaDSP

HarmonicBoost

HarmonicBoost by ChromaDSP is a polyphonic pitch shifter that enhances signals with harmonically matching content and real-time octave and interval shifts.

VST2Pitch
grumblebum plugin interface
Tweakbench

grumblebum

grumblebum by Tweakbench is a free stereo pitch follower effect that generates synth sounds driven by incoming audio, ranging from subtle analog textures to intense distortion.

VST2Pitch
grANALiser plugin interface
Morfiki

grANALiser

grANALiser by Morfiki is a hybrid effect combining granulation, pitch shifting, and delay for creating complex sounds including chorus, pitch-shift, and ring modulation.

VST2Pitch
Gangnam Vocoder plugin interface
SyncerSoft

Gangnam Vocoder

Gangnam Vocoder is a vintage-style 10-band vocoder effect for Windows that offers four analog filter types and a detune module to create synthetic and unique vocal sounds.

VST2Pitch
FreSh plugin interface
Max Project

FreSh

FreSh is a free frequency shifter plugin for Windows that allows simultaneous frequency transposition and pitch modulation, featuring additional effects ideal for sound designers and a vintage analogue GUI design.

VST2Pitch
FBVC plugin interface
Full Bucket Music

FBVC

FBVC is a free vocoder plugin that emulates the 1978 KORG VC-10 with 20-band stereo processing and a 64-voice polyphonic tone generator.

VST2Pitch
The free-plugin pulseUpdated Aug 24, 2026

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