CodeFN42
VeloScaler
VeloScaler by CodeFN42 is a free MIDI effect plugin for Windows that lets you adjust and scale MIDI note velocities with up to 5 customizable bands.
VST2MIDI effects
Instruments, effects, and hidden gems
Free plugins: MIDI
Browse 42 reviewed free midi plugins for Windows, with compatibility and installation details.
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories
Filtered catalog
42 plugins
Every reviewed plugin matching the current filters.
CodeFN42
NoteMapper
NoteMapper by CodeFN42 is a free MIDI utility plugin that maps incoming MIDI notes to up to three different notes across multiple channels, enabling complex triggering setups like multi-sampler drum patterns.
VST2MIDI tools
4drX
MidiKeySwitcher
MidiKeySwitcher lets you assign 2-key switches to select MIDI channels and send program and bank change messages directly from your MIDI keyboard, eliminating the need for a mouse when browsing plugin presets.
VST2Uncategorized
Austen
MIDI-Transformer
MIDI-Transformer by Austen lets you transform and reroute incoming MIDI signals within your VST chain on Windows 64-bit systems.
VST2MIDI tools
ToneCarver
Wind Chimes
Wind Chimes by ToneCarver generates MIDI notes simulating wind chime strikes influenced by wind conditions, optionally sending control change messages for system energy.
VST2MIDI generators
CodeFN42
Transition
Transition by CodeFN42 is a free generative MIDI sequencer plugin for Windows that uses bots moving through a matrix to create notes and chords based on scale degrees and octaves.
VST2Sequencers
Trackbout
Ripchord
Ripchord by Trackbout is a simple MIDI plugin for creating and remixing custom chord progressions with ease. It allows mapping multiple output notes to a single input note and experimenting with chord order and rhythm.
VST2MIDI tools
Fanan Team
Randomidi Free
Randomidi Free is a random multi-channel arpeggiator designed for live performance. It allows musicians to control up to 16 VST instruments simultaneously and switch presets instantly using MIDI CC buttons.
VST2MIDI effects
CodeFN42
RandARP
RandARP by CodeFN42 is a free MIDI arpeggiator plugin for Windows featuring various randomization options and standard arpeggiator controls like octaves, note length, and note order.
VST2MIDI effects
ToneCarver
MbiraGen
MbiraGen by ToneCarver is a semi-generative MIDI sequencer plugin featuring up to 12 melodies, each with 4 variations arranged in a 5x4 grid for note pitch and timing control.
VST2Sequencers
LibreArp contributors
LibreArp
LibreArp is a free MIDI effect plugin that generates arpeggios from chord input in any VST3 host on Windows, Mac, and Linux.
VST2MIDI effects
HY-Plugins
HY-SeqCollection Free
HY-SeqCollection Free is a MIDI step sequencer featuring pattern snapshot, pattern chaining, step recording, undo/redo, and a preset manager with a resizable interface.
VST2Sequencers
HY-Plugins
HY-SEQ32 free
HY-SEQ32 free is a 32-step analog-inspired sequencer with pitch and modulation units, pattern chaining, chord and scale effects, and a MIDI recorder.
VST2Sequencers
HY-Plugins
HY-SEQ16
HY-SEQ16 is an analog style 16-step sequencer plugin with a scalable window, preset manager, undo/redo, and value randomizer features for Windows.
VST2Sequencers
HY-Plugins
HY-RPE free
HY-RPE free is a block-based grid sequencer plugin with three sequencer tracks, block chainer units, and detailed step control including velocity, probability, and timing.
VST2Sequencers
ToneCarver
Harmony Rotator
Harmony Rotator is a free VST2 plugin for Windows that generates up to 3 harmony notes per input MIDI note using predefined offsets with four voice options and scale snapping.
VST2MIDI effects
CodeFN42
Chordz
Chordz by CodeFN42 lets you play full chords by pressing single notes on your MIDI keyboard or drum-pad, simplifying complex chord progressions with ease.
VST2MIDI effects
Topaz Productions
ChordworX
ChordworX by Topaz Productions transforms a single note into up to seven-note chords or arpeggios with 98 presets including standard and jazzy chords, plus custom chord addition.
VST2MIDI effects
The free-plugin pulseUpdated Oct 16, 2026
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