CurseForge · Minecraft mod
F3 Fix
F3 toggles like hitboxes and chunk borders stay on after closing the debug screen, F3 lines keep a fixed layout you can edit with F3+F6, extra F3 shortcuts, and no telemetry.
Quick answer
Which F3 Fix release matches 26.3?
F3 Fix f3-fix-1.0.jar targets 26.3 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is F3 Fix required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does F3 Fix f3-fix-1.0.jar need?
f3-fix-1.0.jar on 26.3. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add F3 Fix without breaking your instance.
Built for F3 Fix f3-fix-1.0.jar on 26.3. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use f3-fix-1.0.jar. It targets 26.3 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside f3-fix-1.0.jar. It opens that exact file at the source.
About this project
What does F3 Fix add?
F3 Fix fixes the new Minecraft F3 menu and keyboard shortcuts. Toggles like hitboxes and chunk borders stay on after closing the debug screen, F3 lines keep a fixed layout you can edit with F3+F6, extra F3 shortcuts, and no telemetry.
New F3 look:
Project description from CurseForge.
Pick your setup
F3 Fix by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
F3 Fix versions and loaders
f3-fix-1.0.jar
29 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.