Instruments, effects, and hidden gems

Free plugins: Effects

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

Install IndiePlugins
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories

Filtered catalog

1008 plugins

Every reviewed plugin matching the current filters.

Dirthead plugin interface
Ndzeit Audio

Dirthead

Dirthead is a free 3-channel guitar amp plugin featuring clean, crunch, and ultra channels with a unique voicing knob to shape poweramp characteristics.

VST2Guitar amps
Diode Amplifier plugin interface
ViatorDSP

Diode Amplifier

Diode Amplifier by ViatorDSP is a tube guitar amplifier plugin available as a free VST2 for Windows and OSX.

VST2Guitar amps
DIG plugin interface
AcmeBarGig

DIG

DIG by AcmeBarGig is a free, highly tweakable tube guitar amp and effects suite featuring dual 12AX7 high gain tubes. It delivers a wide range of tones from shimmering cleans to high gain metal shred sounds with customizable parameters.

VST2Guitar amps
Dick Head plugin interface
AcmeBarGig

Dick Head

Dick Head by AcmeBarGig is a classic hybrid guitar amp head plugin available as a free VST2 for Windows 32-bit systems. It focuses on amp head tones and requires external cabinet modeling for complete guitar rigs.

VST2Guitar amps
Deep Crunch plugin interface
Heptode

Deep Crunch

Deep Crunch by Heptode is a free VST2 guitar amp plugin delivering the classic 80s tube preamp crunch inspired by the Soldano SLO-100 Crunch channel.

VST2Guitar amps
CrunchDude plugin interface
Heeb

CrunchDude

CrunchDude by Heeb is a straightforward guitar amplifier emulation for Windows that excels at delivering strong crunch tones alongside clean and lead sounds.

VST2Guitar amps
ClBass FD plugin interface
EXE Consulting

ClBass FD

ClBass FD by EXE Consulting is a free bass guitar amp simulator for Windows featuring classic amp tones and various effects in a 64-bit VST2 format.

VST2Guitar amps
ClBass F plugin interface
EXE Consulting

ClBass F

ClBass F by EXE Consulting is a bass guitar amp simulator re-voiced from Classic F and includes a variety of typical effects. It is available as a free 64-bit VST2 plugin for Windows.

VST2Guitar amps
Classic V2012 plugin interface
EXE Consulting

Classic V2012

Classic V2012 by EXE Consulting is a free 64-bit VST3 guitar amp simulator for Windows featuring a modified Voigt 1940 tonestack and various typical guitar effects.

VST3Guitar amps
Classic Thirty plugin interface
EXE Consulting

Classic Thirty

Classic Thirty is a free guitar amp simulator featuring an AC30 tonestack and numerous guitar effects. It offers advanced distortion modelling and 24 cab models for versatile tone shaping.

VST2Guitar amps
Classic J plugin interface
EXE Consulting

Classic J

Classic J by EXE Consulting is a free guitar amp simulator plugin for Windows providing authentic amp tones in VST2 format.

VST2Guitar amps
Classic F plugin interface
EXE Consulting

Classic F

Classic F by EXE Consulting is a free guitar amp simulator for Windows with a Fender-style FMV tonestack and a variety of typical guitar effects.

VST2Guitar amps
Classic B plugin interface
EXE Consulting

Classic B

Classic B by EXE Consulting is a free 64-bit guitar amp simulator featuring a passive Baxandall tonestack for bass and treble control. It works with cabs off for acoustic guitar, vocals, piano, and more and includes various typical guitar effects.

VST3Guitar amps
Clang plugin interface
Vadim Taranov

Clang

Clang is a free guitar amp simulation plugin for Windows that updates the FourteenMH with stereo support and additional features.

VST2Guitar amps
California Sun plugin interface
AuraPlug

California Sun

California Sun by AuraPlug is a guitar combo amp offering two channels with clean and dirty modes, featuring built-in distortion, amp and cabinet simulation controls.

VST2Guitar amps
Cab Enhancer plugin interface
AcmeBarGig

Cab Enhancer

Cab Enhancer by AcmeBarGig is a guitar amp cabinet enhancer designed to emulate or enrich cabinet sounds without IRs, preserving the live feel of mic'd cabs.

VST2Guitar amps
Cab Driver plugin interface
Vadim Taranov

Cab Driver

Cab Driver by Vadim Taranov is a free tube power amp and cabinet coupling simulator modeled on ENGL Powerball power amp and ENGL 4x12 cabinet to enhance guitar amp setups.

VST2Guitar amps
C-15 plugin interface
AcmeBarGig

C-15

C-15 by AcmeBarGig is a Windows VST2 guitar amp head plugin tailored for metal tones, offering tight control over high-gain distortion.

VST2Guitar amps
The free-plugin pulseUpdated Aug 23, 2026

1696 plugins are ready to install in one click.