Dexed
Dexed is a free FM synthesizer for macOS that recreates Yamaha DX7-style sound design and also works as a DX7 patch librarian.
What is Dexed?
Dexed is an FM synthesizer for macOS that helps musicians create classic Yamaha DX7-style sounds inside a DAW or in its standalone form. It is designed for sound designers, producers, and synth enthusiasts who want hands-on FM programming without using vintage hardware. The app provides a full editing interface for DX7 parameters, supports loading and saving DX7 and TX7 SysEx patches, and can manage cartridge files for organizing sounds. Dexed is also useful as a patch editor and librarian for compatible hardware workflows, making it practical for both software-only production and hybrid studio setups. Pascal Gauthier publishes Dexed as free software, and it is commonly used in music production, sound design, and retro digital synthesis workflows.
Key features
- Create DX7-style FM sounds with a full parameter editing interface
- Load and save DX7 and TX7 SysEx patches and single programs
- Use cartridge management tools to browse and organize sound banks
- Run as a standalone synth or as a plugin in compatible audio software
- Automate a large set of synth parameters from your DAW
- Work with compatible MIDI hardware for patch editing and sound transfer
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Safety overview
Status: Safe
Dexed is legitimate music-production software. It normally needs access to audio and MIDI devices so it can play, receive controller input, and work with DAWs or compatible hardware. If you remove it, you may lose saved presets, cartridge files, or custom settings unless you back them up first.
Recommendation: Keep Dexed if you use FM synthesis, DX7-compatible patches, or MIDI sound-design workflows. If you no longer use it, you can remove it like other creative apps, and it is a good idea to export or back up any custom patches you want to keep first.
Common paths
/Applications/Dexed.app
Support paths
~/Library/Application Support/DigitalSuburban/Dexed
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