ModsJava
Smart Refill
Automatically refills empty hotbar slots with matching items from your inventory. Works in both Survival and Creative mode!
⬇ Download on ModrinthSmart Refill is a lightweight client-side Fabric mod for Minecraft 1.21.4 that automatically refills empty hotbar slots with matching items from your inventory.
The mod is designed to feel instant and seamless during gameplay, making building, PvP, movement, and general survival gameplay much smoother.
Features:
- Instant hotbar refill
- Works in Survival mode
- Infinite-style refill support in Creative mode
- Preserves item data/NBT/components
- Lightweight and optimized
- Multiplayer compatible
- Toggle keybind support
- In-game config screen with Mod Menu integration
- Clean and minimal design
Supported item types include:
- Blocks
- Food
- Fireworks
- End Crystals
- Potions
- Snowballs
- Pearls
- Any stackable item
Default Toggle Key:
R
Requirements:
- Fabric Loader
- Fabric API
- Minecraft 1.21.4
Optional:
- Mod Menu (for config screen)
- Cloth config API
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.4, 1.21.5, 1.21.6
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as smartrefill-1.0.0.jar — drop this file into the mods folder
- Download size: 62 KB
- Download link checked 19 Aug 2026 — working
These come from our own check of the pack file, not from the source page.