Plugin Overview

There are various types of plugins supported by Zrythm, mentioned in Scanning for Plugins.


In Zrythm, SFZ/SF2 are also used as plugins.

Plugin Types

Plugins are classified into the following categories.


These plugins will create an instrument track when added to the project.


These plugins can be dragged into the insert slots of existing channels in the mixer or can be instantiated to create new FX tracks.


These plugins output CV signals and can be used to modulate other plugin or track parameters.

MIDI Effects

These plugins modify incoming MIDI signals and can be used in the MIDI signal chain of an Instrument or MIDI track.


Zrythm looks inside the plugin’s metadata to determine what type the plugin is. If that is not enough, Zrythm makes a decision based on the number of audio, MIDI, control and CV input and output ports a plugin has.

Plugin Ports

Plugins consist of controls (parameters) and a variety of audio, MIDI and CV ports. Ports are explained in Ports.

Zrythm first creates all plugins with the following special control ports. After these ports are created, Zrythm appends the rest of the plugin’s ports.


Controls whether the plugin is active or bypassed.


Increases the output volume of the plugin (if applicable).

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All of the plugin’s ports will be shown in the Inspector Page