Free Audio Processing Plugins
2025 Edition
a quick recommendation
The following are all single plugins. They were selected based on their ability to deliver professional results on par with any paid product. I belive these are all capable of empowering all musicians who learn how to use them.
Equalizer
ZLEqualizer
Parametric EQ with dynamics features in the style of Pro-Q
Equalizer
Slick EQ
A flexible mastering EQ, also good for general use
Equalizer
SSQ
Channel strip EQ modeled after the SSL console
Equalizer
Rare
A Pultec style EQ
Equalizer
The Masker
Neural engine EQ in the style of Gullfoss EQ
Equalizer
Air - Music
Distance simulator through frequency attenuation
Reverb
Spacer
A superb algorithmic reverb with a large range of spaces and textures
Reverb
Magic 7
A Bricasti style algorithmic reverb
Reverb
Oril River
A digital reverb, offering extensive control
Reverb
RO GOLD
Vintage gold-plate reverb
Reverb
TENS JR.
Spring reverb with color and pre delay control
Reverb
Convology XT
A Convolution reverb that can load your impulse responses
Reverb
Super Massive
A Reverb/delay capable of extreme textures
Delay
Freq Echo
Bode-Style Frequency Shifter + Analog Echo Emulation create surprising sonic effects
Delay
PitchedDelay
a delay that allows the pitching the delayed signal
Delay
Lagrange
a unique stereo delay system producing echoes using granular techniques
Delay
Ripple Delay
A tap delay with unique sequencing patterns
Delay
Chow Matrix
An infinitely branching delay effect, with complex internal modulation and feedback
Compressor
Kotkelnikov
A deep, versatile digital compressor with analog features, most used for group processing
Compressor
Molotok
A musically characterful dynamics processor
Compressor
FETISH
An 1176 style FET compressor emulation
Compressor
FetCB
70s era FET Limiter/Compressor from UK
Compressor
LALA
An LA2A style Optical compressor emulation
Compressor
dBComp
A dbx style compressor emulation
Compressor
BUSERse
Classic console compressor with extra Filter and Transient sidechain options
Compressor
VariMoon
Famous 600 Style Vari-Mu Compressor/Limiter with extra features
Clipper
Leikkaus
A free open-source dynamic clipper with a delta listening feature
Clipper
PeakEater
Free open source clipper with 6 clipping types
Clipper
ClipShifter 2
Wave-shaping audio plugin that functions like a clipping-style limiter
Limiter
LoudMax
A clean, powerful limiter with ISP control
Transient Designer
Pancz
A powerful versatile transient shaper
Transient Designer
TRAX
An easy to use transient designer
Saturation
Color Bundle
Multi-mode distortion plugin. A tube and an op-amp circuit with different op-amps and tubes.
Saturation
TUBA
Emulates the sound of tube-based channel strips
Saturation
ToTape8
The best Tape emulation I've heard
Saturation
IVGI
Classic style saturation
Saturation
TAPECASSETTE2
Cassette style saturation
Saturation
MoMa
A machine learning based, multi program saturation unit
Saturation
Bandberite
Tape saturation with a distinct color
DeEsser
DeEss
The best free DeEsser I know of, better than most paid ones.
AutoTune
SPOTON
Simple free autotune
Binural
Anaglyph
A binural processor for placing sound in 3d space.
Utility
Youlean Meter
Feature rich loudness meter
Restoration
Denoiser Classic
A zero-latency noise reduction plugin
Restoration
Vocal Fix It
3 Hardware inspired tools for perfecting voice recordings. DeCLICK, DePLOSV, DeBLEED
Limiter
Wave Breaker
A true-peak stereo limiter with quality visual metering