Shift-clicking an item in your inventory would transfer it to your chest and vice-versa without dragging it, though this feature was already put in Vanilla Minecraft around the Adventure Update. Right-clicking on the output square when crafting will craft the maximum possible amount of the recipe based on the number of items put in the input slots. If you do not like this feature then you can go to the config file and set itemsonly:false to true. In newer versions, every tool is located to the right of the inventory. As of TooManyItems for 1.0.0, you can change from creative mode to survival mode, change the time from dawn, noon, dusk, and midnight, and toggle rain/snow with the toolbar at the top.

Left-clicking an item/block in the menu will instantly place a stack of it in your inventory, where as holding shift and clicking will place an infinite stack of 111 in your inventory, and right clicking will place one of it in your inventory. When you are playing, there is a menu that shows when you open up your inventory, which displays all the blocks and items, including ones not obtainable in Creative mode (which included fire, end portal frames, and all other entities that can't be obtained in vanilla Minecraft). However, this has been updated in version 1.8, as Modloader or Forge are no longer required.

TooManyItems does not require any other mod to run, except Modloader is needed for unlimited items.

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