
ModsJava
Use Item Within Gui
You will be able to use items within the Gui. Free Minecraft Java mod for 1.21.1.
⬇ Download on ModrinthIn a multiplayer environment, there is no need to install it on the Server side
- Ctrl+RMB on a slot allows you to use the item from within the Gui (you can also operate levers or open chests)
- +Shift to use as if you were sneaking
- +Alt to place used items in your hand (for backpack items and the like)
- Ctrl+RMB on non-slot areas performs the standard RMB action while the Gui is open (this means using the item in your main hand. Even if you have nothing equipped, you can interact with blocks)
You can configure several settings in config/useitemwithingui-client.toml Show operation hints on the Gui
showHint = true
Press Ctrl+RMB outside the Gui to use the item in your hand
pressOutsideToUse = true

Verified by MCModsHub
- Ships as UIWG-1211.1.0.jar — drop this file into the mods folder
- Download size: 12 KB
- Download link checked 20 Aug 2026 — working
These come from our own check of the pack file, not from the source page.