OCD DSP
Virtue
Virtue by OCD DSP is a free advanced compressor plugin for Windows offering ultimate control with profiled compressor envelopes, internal sidechain filters, and innovative fader controllers.
VST2Dynamics
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.
Viper ITB
VeeComps
VeeComps by Viper ITB is a free bundle of three compressors offering stereo, dual mono, and mid/side modes. Inspired by classic analogue and premium digital compressors, it adds subtle character and gentle dynamic shaping.
VST2Dynamics
Analog Obsession
VariMoon
VariMoon is a free Fairchild 660 style vari-mu limiting amplifier plugin by Analog Obsession, designed for dynamic control in your mixes.
VST2Dynamics
Krakli
TriPod
TriPod by Krakli is a tri-band compressor offering precise dynamic control across low, mid, and high frequencies.
VST2Dynamics
TheZhe
TheExpressor
TheExpressor by TheZhe is a colored upward and downward expander/compressor offering up to 24 dB gain adjustment with soft knee control, zero delay, and low distortion artifact processing.
VST2Dynamics
SNFK Music
StupidCompressor
StupidCompressor by SNFK Music is a CPU-efficient dynamic range compressor and transient shaper with an advanced panel for detailed control. Available as a free 64-bit VST2 plugin for Windows.
VST2Dynamics
mzuther
Squeezer
Squeezer by mzuther is a versatile general-purpose compressor offering side-chain and parallel compression features with unique stepped knobs adjustable to continuous mode.
VST2Dynamics
Low Wave Studios
SpikeQ
SpikeQ by Low Wave Studios is a frequency-based transient shaper designed to enhance the attack portion of sounds by boosting specific frequency areas, improving punch and presence.
VST2Dynamics
Analog Obsession
SPECOMP
SPECOMP by Analog Obsession is a spectral analog compressor inspired by the S-Type console design. It compresses overall signals and frequencies to control dynamics with a simple gain reduction meter.
VST2Dynamics
Sender Spike
SN05-G
SN05-G by Sender Spike is a free brickwall limiter plugin ideal for finalizing mixes or processing individual tracks. It features adjustable input gain, ceiling control, and a release time range to manage peak limiting effectively.
VST2Dynamics
Sender Spike
SN01-G
SN01-G by Sender Spike is a free VST2 dynamic range compressor plugin for Windows featuring linked feed-forward topology, variable knee, optional internal side-chain filtering, push effect, and adjustable wet/dry mix.
VST2Dynamics
smacklabs
SL63x
SL63x by smacklabs is a simple, program-dependent compressor with an input gain knob for easy gain staging and quick compression.
VST2Dynamics
smacklabs
SL543
SL543 by smacklabs is a free VST2 compressor plugin for Windows offering two compression modes from a modern console's VCA duo compressor module.
VST2Dynamics
SNFK Music
SK100
SK100 by SNFK Music is a dual stereo bus compressor with two distinct compressors: Comp1 uses peaking algorithms for hard compression, ideal for drums; Comp2 offers softer, transparent gluing compression for subtle gain correction.
VST2Dynamics
RDGAudio
SideChainer
SideChainer by RDGAudio is a free sidechain compressor plugin featuring 14 preset sidechain shapes, time synchronization options, and real-time waveform display.
VST2Dynamics
Semantic Audio
SAFECompressor
SAFECompressor by Semantic Audio is a semantic dynamics compressor that accepts descriptive words to load its settings, analyzing audio based on timbral input for precise compression.
VST2Dynamics
Acrobatics
ROMBO
ROMBO by Acrobatics is a free Intellidrive Processor featuring true stereo envelope followers and ultrasmooth saturation for dynamic audio shaping.
VST2Dynamics
Jeroen Breebaart
Red Phatt Pro
Red Phatt Pro by Jeroen Breebaart is a versatile dynamics processor offering flexible compression, gating, and expansion to enhance your drum tracks and overall mix.
VST2Dynamics
The free-plugin pulseUpdated Aug 24, 2026
1696 plugins are ready to install in one click.