Loot Rewind lets you undo unwanted item pickups with a simple Ctrl+Z-style shortcut.
Picked up rotten flesh, cobblestone, seeds, or other junk by accident? Press the undo shortcut and the latest picked-up item is dropped back into the world.
Ctrl + ZYou can change everything under Options > Controls > Key Binds > Loot Rewind.
Undo last pickup: the main undo keyHold for undo: the modifier keyWant to use just one key without Ctrl? Unbind Hold for undo.
Loot Rewind is made for accidental pickups. It does not undo chest transfers, crafting, trading, or other inventory actions.