Compatibility
Minecraft: Java Edition
Platforms
Supported environments
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Details
NeoBackSlot
NeoBackSlot is a lightweight Back Slot and Belt Slot equipment mod for NeoForge 1.21.1.
Store weapons and tools on your character's back or belt for quick access using configurable keybinds (by default G for the Back Slot and V for the Belt Slot). Items are fully synchronized in multiplayer and visible to other players.
NeoBackSlot is designed with compatibility in mind, supporting not only vanilla equipment but also many modded weapons and tools, making it a great fit for heavily modded RPG-style modpacks.
📷 Additional screenshots and previews can be found in the Gallery section.
Changelog
NeoBackSlot 1.1.0
Big update. This version adds the transform editor, Fabric support, better multiplayer sync, and more modded item compatibility.
Added
- In-game transform editor
- Per-item transform profiles
- Separate Back Slot and Belt Slot transforms
- Multiplayer transform sync
- Fabric 1.20.1 support
- Fabric 1.21.1 support
- Config screen support on Fabric
- Config files now live under
config/neobackslot/ - Configurable HUD and inventory slot positions
- Better modded weapon/tool detection
- Support for more item types like staffs, wands, spears, guns, rifles, and blunderbusses
Changed
- Updated version to
1.1.0 - Updated mod icon
- Inventory and HUD slot frames now follow resource packs
- Cleaner config wording
- Cleaner project structure for multiple loaders
Fixed
- Fixed shield and trident color/tint issues
- Fixed editor preview rotation
- Fixed player preview following the cursor
- Fixed preview panel click sound
- Fixed Back Slot and Belt Slot item profiles affecting each other
- Fixed All Items transforms not applying correctly in some cases
- Fixed Fabric HUD and inventory slot overlays
- Fixed shields being allowed in Fabric Belt Slot
- Fixed shield unsheath sound
- Fixed multiplayer visibility when players join after another player already configured their item
- Fixed inventory Back/Belt slots not following the inventory position when recipe book is opened
Features
- Back Slot
- Belt Slot
- Quick weapon swapping
- Multiplayer synchronization
- Dedicated server support
- HUD indicators
- Inventory GUI integration
- Custom sounds
- Death drop support
- Basic grave mod compatibility
- Lightweight and dependency-free
- Compatible with many modded weapons and tools


Controls
| Action | Default Key |
|---|---|
| Swap Back Slot | G |
| Swap Belt Slot | V |
All keybinds can be changed through Minecraft's Controls menu.
Configuration
A configuration file will be generated automatically:
config/neobackslot-common.toml
Available option:
[death]
keepItemsOnDeath = false
When enabled, Back Slot and Belt Slot items will remain equipped after respawn.
Installation
- Install NeoForge for Minecraft 1.21.1.
- Place NeoBackSlot into the
modsfolder. - For multiplayer, installing it on both the client and server is recommended.
- Launch the game.
No additional dependencies are required.
Credits
NeoBackSlot is heavily inspired by the original BackSlot mod created by Globox1997.
This is not a direct port of BackSlot. NeoBackSlot is an independent NeoForge implementation developed specifically for Minecraft 1.21.1.
Compatibility
NeoBackSlot has been successfully tested with:
- Singleplayer
- Dedicated servers
- Multiplayer environments
- Large modpacks (300+ mods)
- YIGD (You're In Grave Danger)
The mod is designed to work alongside most NeoForge modpacks without requiring additional libraries.
Known Issues
- Tridents may appear visually misaligned when equipped in the Belt Slot.
- Some modded shields may require additional transform or scaling adjustments.
- Grave mods restore Back Slot and Belt Slot items as regular inventory items.
- If a grave is claimed while the player's inventory is completely full, Back Slot and Belt Slot items may not be restored correctly.
Bug Reports & Feature Requests
Found a bug or compatibility issue?
Please report it on GitHub Issues:


