ZOOM MultiStomp Commander

A web-based tool for generating SysEx commands to control ZOOM MultiStomp series effect pedals via MIDI controllers.

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Disclaimer

This is an unofficial, community-made tool and is not affiliated with, endorsed by, or associated with ZOOM Corporation in any way. All product names, trademarks, and registered trademarks are property of their respective owners.

What is this?

This tool helps you create MIDI SysEx commands for ZOOM MS series pedals (MS-50G+, MS-70CDR+, etc.). You can use these commands with programmable MIDI controllers like M-VAVE Chocolate to remotely control your pedal.

Features

• Effector Control - Turn individual effects ON/OFF or toggle their display
• Tuner Control - Enable/disable the built-in tuner
• Patch Volume - Adjust the volume level of your patch
• Tempo Control - Set the BPM for time-based effects
• Multi-Operation - Combine multiple operations into a single SysEx command
• One-Click Copy - Copy generated commands to clipboard instantly

How to Use

1. Visit the app
2. Click "+ Add Operation" to add control operations
3. Configure each operation (effect number, ON/OFF, etc.)
4. Copy the generated SysEx command from the Output section
5. Paste the command into your MIDI controller's software

Tech Stack

• React 19
• TypeScript
• Vite
• Tailwind CSS 4
• Radix UI
• shadcn/ui
• Playwright (E2E Testing)

Development

# Install dependencies
pnpm install

# Start development server
pnpm dev

# Run tests
pnpm test

# Build for production
pnpm build

References

This project was made possible thanks to the excellent MIDI protocol documentation from:

• zoom-explorer - Comprehensive documentation of ZOOM MS Plus series MIDI/SysEx protocols

Support

If you find this tool useful, consider buying me a coffee!

License

MIT