ModsJava
F3 Customizer Backport
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
Backports Minecraft's modern Debug Options screen to older Fabric versions, letting you choose exactly which F3 entries are hidden, shown with F3, or always visible.
Feel free to use this mod in modpacks.
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My Mods
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as f3-customizer-backport-fabric-1.21.1-1.0.0.jar — drop this file into the mods folder
- Download size: 127 KB
- Download link checked 4 Oct 2026 — working
These come from our own check of the pack file, not from the source page.