MIDIPlayer X
MIDIPlayer X is a macOS MIDI file player from MethodRed that plays MIDI files through hardware, virtual outputs, or its built-in synth.
What is MIDIPlayer X?
MIDIPlayer X is a macOS application published by MethodRed for playing and auditioning MIDI files. Its official product page states that it can route playback to available MIDI outputs, including external hardware devices, virtual MIDI destinations, and its own built-in General MIDI-compatible software synth. The app supports drag-and-drop loading of MIDI files, multiple files, and folders, which makes it useful for quickly previewing loops, cues, and song files during music production workflows. MethodRed also documents playback controls and editing-oriented functions such as looping, tempo control, channel mute and solo, channel reassignment, transpose, and Save As for customized MIDI files. The app is designed for musicians, producers, and other Mac users who work with MIDI content and need a lightweight player outside of a full DAW. Users may encounter it as a standalone utility for checking MIDI files, testing playback destinations, or auditioning material before importing it into other music software.
Key features
- Play MIDI files through hardware MIDI devices, virtual MIDI outputs, or the built-in software synth
- Load single files, multiple files, and folders with drag and drop
- Loop playback for repeated auditioning of MIDI patterns and sections
- Adjust tempo and use Tempo Lock during playback
- Mute or solo individual MIDI channels
- Reassign MIDI channels and transpose files
- Save customized playback edits to a new MIDI file
- Switch quickly to Audio MIDI Setup from within the app
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Safety overview
Status: Mostly safe
This is a legitimate music utility from MethodRed for working with MIDI files. It is not known as a system component, but it may create normal app data such as preferences, caches, and application support files related to playback settings and recent use.
Recommendation: Keep it if you use MIDI files, external MIDI gear, or software instruments on your Mac. Remove it if you no longer need a dedicated MIDI player, after confirming no related user projects or saved settings matter to you.
Common paths
/Applications/MIDIPlayer X.app
Preference paths
~/Library/Preferences/net.methodred.MIDIPlayer-X.plist
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