
Modrinth · Minecraft mod
Backslot Mod
This mod adds Another inventory Slot: The Backslot!
Quick answer
Which Backslot Mod release should I use?
Backslot Mod 1.2.1 targets 1.21.11 with Fabric, Quilt. Installation on the client is optional. Installation on the dedicated server is optional. All 1 required mods have matching files.
Where it goes
Is Backslot Mod required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Backslot Mod 1.2.1 need?
1.2.1. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Backslot Mod without breaking your instance.
Built for Backslot Mod 1.2.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.2.1. It targets 1.21.11 with Fabric, Quilt; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.2.1. It opens that exact file at the source.
About this project
What does Backslot Mod add?
Backslot Mod
This mod adds Another inventory Slot: The Backslot!
Okay, But how does it work?
The Backslot
The backslot is a hotbar slot-like slot that stores one stack of items, can be selected and doesnt drop on death. There are also two keybinds to acces it, more on those later.
Keybinds
This mod adds 2 keybinds:
- Swap With Backslot: Swaps the item you are currently holding with the item in the backslot!
- Select Backslot Item: will make the item in the backslot act as if in the main hand,
allowing full usage of the item!
Commands
If you are worried about players hiding items from admins in theire backslot, worry no more!
This mod also adds 2 new admin commands:
- "/backslot_clear ": Clears the backslot of the specified player.
- "/backslot_check ": Shows admins what the player has in their backslot.
Configuration
This mod also includes configuration options:
- Blacklisted items and blocks: For items and blocks that should not be in the backslot.
- Large Items: For items that use a larger model and thus need to be scaled up in the backslot.
- Should Drop Backslot Item On Death: For changing if items on your backslot items drop after dying.
Mod Compatibility
You can now add Compatibility for this mod using texturepacks or your mods assets folder!
If you are making a item with a custom model, but it doesnt look good on the backslot, you can change that!
Simply go under your namespace inside the assets folder then add a folder called "back_transforms"
and inside there add a .json file named after your item's ID.
Example: "assets/your_mod_id/back_transforms/your_item.json"
Inside this json file you can edit how the item is shown, here you see the default settings:

Here is an Example Pack called Belt Bundles
Preview Picture (More in Gallery)

Project description from Modrinth.
Pick your setup
Backslot Mod by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
2 loader builds26.1.1
2 loader builds26.1
2 loader builds1.21.11
2 loader builds1.21.10
2 loader builds1.21.8
2 loader builds1.21.5
2 loader builds1.21.1
2 loader builds1.20.1
2 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Backslot Mod versions and loaders
1.2.1
backslot-1.2.1.jar
15 Aug 2026
1.2.1
backslot-1.2.1.jar
14 Jul 2026
1.2.0
backslot-1.2.0.jar
16 May 2026
1.2.0
backslot-1.2.0.jar
16 May 2026
1.1.7
backslot-1.1.7.jar
5 Apr 2026
1.1.7
backslot-1.1.7.jar
5 Mar 2026
1.1.6
backslot-1.1.6.jar
21 Jan 2026
1.1.5-fix
backslot-1.1.5-fix.jar
5 Jan 2026
1.1.5-fix
backslot-1.1.5-fix.jar
5 Jan 2026
1.1.5-fix
backslot-1.1.5-fix.jar
5 Jan 2026
1.1.5
backslot-1.1.5.jar
18 Dec 2025
1.1.4-fix-2
backslot-1.1.4-fix-2.jar
8 Dec 2025
Looking for an older file? The official Modrinth project page is in Resources.