Table of Contents
Who this is for: Minecraft players wanting to see entity collision boundaries for better combat, building, or debugging.
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Using the F3+B Key Combination
The most straightforward way to enable hitboxes in Minecraft is by pressing F3 + B simultaneously. This debug command instantly toggles the visibility of hitboxes for all entities in your world, including mobs, players, and items. When activated, you’ll see white wireframe outlines around every entity that shows their exact collision boundaries.
Alternative Methods for Different Keyboards
If you’re using a 60% keyboard or a laptop where function keys require special combinations, you might need to try these alternatives:
- Fn + F3 + B – Hold the Fn key first, then press F3 and B together
- Alt + Fn + F3 + B – Some keyboards require the Alt key as well
- Function lock method – Enable function lock first, then use F3 + B normally
What Hitboxes Show You
Once enabled, hitboxes reveal crucial gameplay information. You’ll see the exact boundaries where you can hit mobs, the collision areas for projectiles, and the pickup range for dropped items. The blue lines indicate where your attacks will register, while the white outlines show the entity’s full collision box.
Troubleshooting Common Issues
If the F3 + B combination isn’t working, check that you’re in a world where cheats are enabled or you have operator permissions on multiplayer servers. Some servers disable debug features entirely. You can also try pressing the keys in sequence rather than simultaneously – press F3 first, release it, then press B while holding F3 again.
Understanding hitboxes becomes especially valuable when you’re exploring different game modes and want to master combat mechanics or redstone contraptions.
TL;DR
Press F3 + B simultaneously to toggle hitboxes in Minecraft. On some keyboards, you may need to use Fn + F3 + B or enable function lock first.
