Hhotbar Keeper
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
Hotbar Keeper
pins a hotbar slot to whatever's in it and tops it up from your main inventory when the stack drops below max. wrote it because i kept running out of blocks mid-build.
keys: You must configure them each pinned slot gets a colored outline on the HUD. color is random per pin.
the refill engine matches on 1.21 data components, so an enchanted sword and a plain sword aren't treated as the same item — it won't swap your sharpness V sword for a regular one behind your back. transfers go through the normal pickup-click-return flow you'd do by hand, rate-limited to once every 3 ticks so the server doesn't get spammed.
works on 1.21.11, fabric, java 21. client-side only, fine on servers that don't have it but don't ues with anticheat server.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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.
- Ships as hotbar-keeper-1.0.1.jar — drop this file into the mods folder
- Download size: 28 KB
- Download link checked 4 Oct 2026 — working
These come from our own check of the pack file, not from the source page.