Hotbar Quickswap

A simple client-side utility mod to quickly swap the currently selected hotbar slot with the slot directly above it.

1.4K Downloads

fabricutility

Rent Server with this Mod

About this Mod

A simple client-side utility mod to quickly swap the currently selected hotbar slot with the slot directly above it.

Available Versions

Hotbar Quickswap 0.1 - 1.21.11release

MC 1.21.11fabric

December 24, 2025

How to Install Hotbar Quickswap 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 (1.21.11).

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.10

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Hotbar Quickswap 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 Hotbar Quickswap compatible with fabric?

Hotbar Quickswap officially supports fabric for Minecraft 1.21.11, 1.21.10. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Hotbar Quickswap – how to optimize performance?

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