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SynthEdit SynthEdit

SynthEdit — Build Your Own Synth

v1.6 — Now on macOS & Windows

Build your own
audio plugins

A visual modular environment for designing professional VST3 and AU instruments and effects. Drag modules. Connect cables. Ship plugins.

Download Free Demo →Read the Docs
● Free 60-day demo● Royalty-free output● Win · macOS
SynthEdit screenshot showing a modular synthesizer patch with oscillators, filter and output modules
Works with every major DAW
CubaseAbleton LiveFL StudioReaperStudio OneLogic ProBitwig
30+
Years of Improvements
1000s
Plugins Shipped
300+
Built-in Modules
$0
Royalties Owed
— How it works

Drag. Connect. Ship.

A complete environment for synthesizer design — from the first sine wave to a finished VST3 or AU plugin in your DAW.

Modular CanvasPlaying
SynthEdit modular canvas with oscillators, filter and envelope modules connected by patch cables
— 01 / Visual Patching

Build synths by connecting modules.

Drag oscillators, filters, envelopes and effects onto the canvas. Connect them with virtual patch cables. Hear the results instantly. No programming knowledge needed — just curiosity.

Learn the basics →
Panel DesignerEditing
SynthEdit panel designer showing a custom plugin GUI with filter knobs, ADSR controls and a piano keyboard
— 02 / Professional Output

Export as VST3 or AU plugins.

Turn your patches into standalone VST3 or AU plugins. Design custom interfaces with knobs, sliders, switches and bitmap graphics. Your plugins work in every major DAW on Windows and macOS.

See export options →
— Capabilities

Everything you need built in.

Module 01License
$0

No Licensing Restrictions

You own what you create. Sell your plugins commercially, give them away, or bundle them — no royalties, no fees, ever.

Module 02Library
300+

Huge Module Library

Oscillators, filters, effects, MIDI, math, logic, UI controls — every primitive you need to build a complete instrument.

Module 03GUI
UI

Custom GUI Designer

Design professional plugin interfaces with a built-in visual editor — knobs, sliders, switches, graphs and bitmap art.

Module 04Learn
∿

Learn Synthesis

See how synthesizers work from the inside. Perfect for students, educators, and anyone curious about sound design.

Module 05SDK
C++

C++ SDK

Need more power? Build your own modules in C++ and use them alongside the built-in library in any project.

Module 06Community
∞

Community Modules

Extend SynthEdit with hundreds of third-party modules from the community — or share your own creations back.

— In the wild

Built with SynthEdit.

Thousands of commercial and free VST plugins, including award-winning instruments used in professional studios.

Phasm2024 · Synth
Phasm

Phasm

A phase-distortion synthesizer with a unique approach to waveform manipulation.

View case study →
Kx Synth X162023 · Polysynth
Kx Synth X16

Kx Synth X16

A powerful polyphonic synthesizer with extensive modulation capabilities.

View case study →
Phenome2022 · Vocal
Phenome

Phenome

An innovative vocal synthesizer that generates realistic singing voices.

View case study →
“

Unlike traditional programming, there’s no ‘wrong’ way to use SynthEdit. Like ‘Lego for sound’, you can hook up modules in your own weird and wonderful ways. Programming becomes exploring.

Jeff McClintockMaker · New Zealand · Since 1987
— Ready to patch?

Download.
Patch. Ship.

Free 60-day demo, fully featured — including VST/AU export. Available for Windows and macOS.

Download for Windows →Download for macOS →