nanoMIDIPlayer is a lightweight MIDI player that can simulate MIDI to QWERTY or send MIDI signals directly to output MIDI devices.

🚀 Features

• Fully Open Source
• Simulate MIDI Events as QWERTY or to Output Device from .mid | .midi Files
• MIDI INPUT to QWERTY Keys
• Velocity and Sustain support
• Full 88 Key support
• Random Fail/Human Error [Speed | Transpose]
• Modifiable Piano Keymaps
• Drums to QWERTY from .mid | .midi Files
• Built-in MIDI Hub from nanoMIDI.net
• Modifiable Hotkeys
• Customizable User-Interface
• Windows, Linux and macOS Support!
• No Time Drift

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📸 Showcase

nanoMIDIPlayer.mp4

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🔹 Download

Get the latest version of nanoMIDIPlayer Here:

🛠️ Setup

1. Download nanoMIDIPlayer.exe or nanoMIDIPlayer-macOS.dmg for macOS
2. Run nanoMIDIPlayer.exe
3. Select a MIDI File or find one from MIDI Hub
4. Focus on your virtual piano app/game
5. Press "PLAY" (Default Hotkey: F1)

⚠️ Why is this program detected as a virus?

Open-source programs like this often get flagged as viruses because some malware may use the same libraries. Removing false positives costs around $300/year. You can freely check the source code to ensure it is safe.

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💖 Special thanks to our Donators, Beta Testers and Suggesters!

Donator	Message
evelyn $25	tysm worked perfectly <3
Lischinianism $15	This is really really good. Thank you! Really enjoy using it.
Skysoblue112 $10	Using this to be a menace on a Minecraft server :))
Toast $7	It’s not much but I really appreciate the work you put into it!
andrew $5	guys good job. blow job. hand job.
andrew $3	it’s good good stuff guys.
YuuenS $2	Thank you for your great work. Buy a coffee.❤️.
YuuenS $2	Love You ❤️
evann0809jeux $0.92
Unknown $0.27	I’m poor 🗣️

Beta Testers	Suggesters	Bug Hunters
Floofy	fearsomeorc1406	PINECone
yournightmare5005	youwontfindmymain_89866	Jolly BHZ
koji_xyz	star.tism	darspud
sebx.s_	hdsfgh	Sachin
bkiiz3	somecoolname2	Robloxian
uvane	rzrized
ducktue	zothics
gamesacctualych	trapguy5
nictiser	mrbeecool_yt
catnoyesyesnoyesno
zackfgteev1yt
RDJX3
FrictionalityKiller
TheGrownReal
qua_maybe
Momo
minon kaka

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🛠️ Building

🔧 Requirements

• VS BuildTools C++
• Python

1. Clone The Repository

git clone https://github.com/NotHammer043/nanoMIDIPlayer.git
cd nanoMIDIPlayer

2. Install Dependencies

pip install -r requirements.txt

3. Build

build.bat

# For macOS
./build-mac.sh

🐞 Debugging Mode

nanoMIDIPlayer.exe --debug

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💖 Support & Contributions

• Star the repo ⭐ on GitHub
• Report issues 🛠️ via GitHub Issues
• Contribute 💻 via Pull Requests
• Donate via BuyMeACoffee or PayPal