
ItemIO
A Fabric mod to allow for easy input and output into and out of inventories without needing to open their inventories.
Screenshots


About this Mod
ItemIO
A Fabric mod to allow for easy input and output into and out of inventories
without needing to open their inventories.
Requires FAPI and YACL
Recommends Modmenu
Need on Client: ✅ Need on Server: ❌
Report any Issues on GitHub or my Discord Server
Splitting among containers while holding the Increment modifier. (scrolls your hotbar to the right)
Input
You want to put something in a container quickly?
Just hold the item you
want to store, and press the keybind (v by default)
You can also select multiple containers while holding
the keybind and hovering over the containers you want which
will subsequently split among the containers.
Output
You want to take an item out of a container?
Have an empty hand, and just press the keybind (v by default)
You can also select multiple containers while holding
the keybind and hovering over the containers you want, which
will subsequently take an item out of each container
Modifiers
There are 2 modifiers you can use which can help you in specific cases
At the moment the keys cannot be changed
Increment
Holding Left Shift when you do any operation will scroll your hotbar to the next slot
Restock
Holding Left Control when you put an item into a container will restock your hand with the same item
Available Versions
How to Install ItemIO on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.7).
Install Mod
Open the mod browser in the dashboard and search for "ItemIO". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.7, 1.21.6, 1.21.5 (+12 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
ItemIO server crashes on startup – what to do?
Most common cause: wrong fabric 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 (1.21.7). You can switch loaders with one click in the panel.
Is ItemIO compatible with fabric?
ItemIO officially supports fabric for Minecraft 1.21.7, 1.21.6, 1.21.5. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with ItemIO – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if ItemIO 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.
Similar Mods
Rent Modded Server
Install ItemIO with just one click on your server.