Double Hotbar
Adds a second hotbar that displays a row of the inventory on the HUD. This provides a dual hotbar setup where you can easily swap/hotswap/cycle which of the two hotbars is active. Improves inventory management.
Screenshots
About this Mod
Double Hotbar
Minecraft mod that expands the HUD and allows hotbar swapping.
Fully client side! Works on vanilla servers
Fabric version supports Minecraft 1.17.1 - 1.21.11 (Requires the Fabric API and Cloth Config API to work)
Forge version supports Minecraft 1.18.2 - 1.20.1 (No APIs required)
If there is interest in a Neoforge port please create a github issue specifying which versions
Features
Adds another hotbar that displays and allows you to use an additional row of the inventory.
Switch which hotbar is active by pressing R. (Hotkey can be changed in game settings)
Second hotbar can be hidden or changed to a different row in the inventory using the mod config
1.18.2+ ONLY: A single stack can be swapped by double tapping the slot number or by holding the swap key (Default: R)
Highly customizable options to maximize compatibility
Screenshots
Note: Fabric-v1.3.0+ requires fabric loader 0.14.9 or greater. If you have an old 1.18.2 instance you may have issues launching due to an outdated fabric loader
Some older, unmaintained versions available on curseforge
Available Versions
How to Install Double Hotbar 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 "Double Hotbar". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+21 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Double Hotbar 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 Double Hotbar compatible with fabric and forge?
Double Hotbar officially supports fabric, forge for Minecraft 1.21.11, 1.21.10, 1.21.9. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Double Hotbar – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Double Hotbar 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.
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Rent Modded Server
Install Double Hotbar with just one click on your server.