F3 Keybind
This mod allows you to change the keybind of the Debug Menu (F3). Feel free to report any issues on my issues page (linked on the sidebar). It would be great if you could star this silly mod.
Screenshots
About this Mod
This mod allows you to change the keybind of the debug menu (F3).
It would be great if you could star this silly mod on the github
Available Versions
How to Install F3 Keybind on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "F3 Keybind". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.20.4, 1.20.3 (+1 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
F3 Keybind server crashes on startup – what to do?
Most common cause: wrong fabric 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 (1.21.4). You can switch loaders with one click in the panel.
Is F3 Keybind compatible with fabric?
F3 Keybind officially supports fabric for Minecraft 1.21.4, 1.20.4, 1.20.3. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with F3 Keybind – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if F3 Keybind 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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