Custom Hitboxes

Custom Hitboxes

A complete overhaul of Minecraft's hitboxes

by
73.9K Downloads
fabricdecorationequipmentutility
Rent Server with this Mod

About this Mod

Custom Hitboxes!

This mod is a complete overhaul of minecraft's hitboxes, allowing you to customize them along with added functionalities, such as specific team colors per hitbox, or damage colors.


Information:

Config - Screenshots

Profile Config Screen
Profile Config Screen

General Config Screen
General Config Screen

Team Config Screen
Team Config Screen

Block Hovering Config Screen
Block Hovering Config Screen

Player Config Screen
Player Config Screen

Entity Config Screens
Entity Config Screens

Config - Explained

  • Block Hovering Settings:

    These settings allow you to customize the block overlay when you look at a specific block.

  • Team Settings:

    The team settings allows you to input player usernames into a team category, which you can then customize to set colors for specific teams. This is extremely useful in teamfights for example. Player names are cap sensitive. These settings are linked to the Player settings.

  • Server-Side position settings:

    This setting renders the hitbox where the entity is server side. This provides no advantage as entity interactions are determined by client-side calculations, so this can't be used for anything other than debugging / general curiosity.

  • Hitbox Vanishing (Idea from Pcrit)

    This setting makes hitboxes disapear at a certain distance. This can reduce the clutter of hitboxes (such as end crystal or player hitboxes) at distances you want you pvp in. An additional setting to this is fading (vanish when close must be enabled), where the hitboxes don't simply just vanish but instead slowly fade as you get closer.

  • Hitbox Color Switching (Idea from NopzDaFlopper)

    This setting, similar to hitbox vanishing, transitions between colors at certain distances from entities. As you get closer to a specific entity, it will change to your selected color.

  • Damage Colors

    This setting changing the color of a hitbox if the entity is damaged (in a damage tick).

Colors

Allows you to customize the colors of the hitbox which also inculdes a gradient option and a rainbow setting. An example of gradient hitboxes are shown below:

Gradient Hitboxes

Gradient BlockBox

Credits

  • Mod: Walksy
  • Huge thanks to RaphiMC for their amazing help on incompatibilty issues with ImmediatelyFast and general help with RenderLayers.
  • Ideas: Majority of the ideas in this mod were provided by SakuraFX and pCrit

Available Versions

Custom Hitboxes 2.0.7-1.21.11release
MC 1.21.11fabric
February 27, 2026
Custom Hitboxes 2.0.6-1.21.11release
MC 1.21.11fabric
February 23, 2026
Custom Hitboxes 1.21.4release
MC 1.21.4fabric
May 1, 2025
Custom Hitboxes 1.21.3release
MC 1.21.3fabric
May 1, 2025
Custom Hitboxes 1.21.2release
MC 1.21.2fabric
May 1, 2025

How to Install Custom Hitboxes on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

Open the mod browser in the dashboard and search for "Custom Hitboxes". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.4, 1.21.3 (+3 more)

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Custom Hitboxes 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 (1.21.11). You can switch loaders with one click in the panel.

Is Custom Hitboxes compatible with fabric?

Custom Hitboxes officially supports fabric for Minecraft 1.21.11, 1.21.4, 1.21.3. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Custom Hitboxes – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Custom Hitboxes 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.

Rent Modded Server

Install Custom Hitboxes with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Unsupported

Supported Versions

1.21.111.21.41.21.31.21.21.21.11.21