
Quantum Bags
Adds an Item to store many items in 1 slot. Can automatically refill half-full inventory slots.
Screenshots

About this Mod
What does this mod add?
- 4 tiers of bags, that allow storing of 512/4096/32768/262144 items of one type
- Config options to change the amount of items that can be stored
How to Craft
First Bag

Bags 2, 3, 4
Use 4 bags of the previous tier instead of shulkers
How to Use
You can left/right-click with Items onto the bag in your inventory to put them into it.
To release Items from the bag you can press the drop button with the bag in your hand.
When right-clicking with the quantum bag in your hand, you will switch through its 3 modes: inert, filling, sucking. In filling mode it will automatically fill up stacks in your inventory. The sucking mode pulls all of the contained from your inventory into the bag
The Config is saved in .minecraft/saves/savegame/serverconfig/quantumbags-server.toml
Available Versions
How to Install Quantum Bags on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Quantum Bags". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Quantum Bags server crashes on startup – what to do?
Most common cause: wrong forge 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 (1.20.1). You can switch loaders with one click in the panel.
Is Quantum Bags compatible with forge?
Quantum Bags officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Quantum Bags – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Quantum Bags 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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Install Quantum Bags with just one click on your server.