Fluxly Hitboxes

A mod for people who play with hitboxes on. Change the color of hitboxes, which parts are shown, remove the annoying hitboxes from item frames, etc.

1.2K Downloads

fabricutility

Rent Server with this Mod

About this Mod

A mod for people who play with hitboxes on. Change the color of hitboxes, which parts are shown, remove the annoying hitboxes from item frames, etc.

Features include:

Toggle hitboxes on by default

Toggle large hitbox around ender dragon

Toggle entity bounding box

Toggle eye level indicator

Toggle direction indicator

Change the hitbox color when an entity is targeted

Toggle hitboxes on item drops

Toggle hitboxes on item frames

Toggle hitboxes on paintings

Toggle hitboxes on boats

Toggle hitboxes on thrown items

Recolor hitboxes (rgba):

Bounding box color
Dragon segment color
Eye level indicator color
Direction indicator color
Targeted entity bounding box color
Item hitbox color

Dependencies

This mod requires Fabric API and Fzzy Config + Mod Menu for configuration.

Available Versions

Fluxly Hitboxes 1.3.0+1.21.1release

MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10fabric

November 28, 2025

How to Install Fluxly Hitboxes 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 (1.21.10).

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.10, 1.21.9, 1.21.8 (+8 more)

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Fluxly 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 (1.21.10). You can switch loaders with one click in the panel.

Is Fluxly Hitboxes compatible with fabric?

Fluxly Hitboxes officially supports fabric for Minecraft 1.21.10, 1.21.9, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Fluxly Hitboxes – how to optimize performance?

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