Build effects. Ship them to real pedals. Get paid.
Create guitar effects in your browser, test on real hardware instantly, and sell to every Stratus and Nimbus player through the Tone Shop.
Choose Your Path
Start in your browser
Zero install. Write FAUST code with AI assistance, audition with live knobs, design your pedal UI — all in the FX Builder.
Open FX BuilderPort what you've built
Already have C++, JUCE, or FAUST effects? Use our open-source Docker toolchain to compile locally and upload.
View on GitHubHow It Works
Build
Use the browser-based FX Builder or compile locally with our open-source toolchain.
Test Instantly
Publish privately to install on your own Stratus or Nimbus from the app — no cables, no SSH.
Submit for Review
When you're ready to sell, submit for review. Typically 5–7 business days.
Sell in the Tone Shop
Your effect becomes available to every Stratus and Nimbus player worldwide.
The Money
The Hardware
One effect binary. Two products. Every player.
Talk to the people who built this
Join our Discord to connect with other developers, get help, and share what you're building.
Your effects install through the Chaos Audio app on iOS and Android.
Powered by FAUSTPublishing is governed by the Developer Distribution Agreement. Questions: development@chaosaudio.com
