
BlockTuner-forge
A note block tuning assistant for forge
About this Mod
BlockTuner (Forge Mod)
About
This is the forge version of BlockTuner.
If you want a fabric version, please visit this page.
If you want the data pack for older versions of Minecraft, please visit this page.
Instructions
Installation
Put this mod in your mods folder. You also need to install Forge API if you haven't installed it yet.
Server need to install the mod for it working.
How to Use BlockTuner
Ctrl + Right clock on a note block to open up tuning UI. Placing a note block while holding Ctrl also opens the UI automatically.
Ctrl to show the note of the note block at crosshair.
Ctrl + middle click on note blocks to pick up readily tuned note blocks.
Right click note blocks with blaze rods to play with right clicks without tuning.
Tuning UI
Top-right corner (from left to right)
Play mode - toggle whether the GUI will turn off immediately upon clicking a note on the piano keyboard.
Typing keyboard to piano keyboard - toggle whether you want to play the piano keyboard using your computer keyboard.
MIDI Device - Click to cycle through available MIDI input devices. The icon shows red if the device is currently unavailable. This usually means it is being used by another program.
Keyboard Mapping:

Credits
Original author
- Fabric version original author - xwjcool
Localization
- Russian - Felix14-v2 (Currently outdated)
- Japanese - misaka10843 & hakkaku
Available Versions
How to Install BlockTuner-forge on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.4).
Install Mod
Open the mod browser in the dashboard and search for "BlockTuner-forge". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.4, 1.20.3, 1.20.2 (+2 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
BlockTuner-forge server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.4). You can switch loaders with one click in the panel.
Is BlockTuner-forge compatible with forge?
BlockTuner-forge officially supports forge for Minecraft 1.20.4, 1.20.3, 1.20.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with BlockTuner-forge – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if BlockTuner-forge consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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