Scroll through quick-bar and the chat when opened

Open the menu and give back cursor control

Pause single player game

Toggle heads up display (HUD)

Clicking item or stack will move it between inventory and stack

When a furnace is open, Shift + clicking an item or stack in the furnace moves it to the inventory

When crafting, Shift + clicking the crafted item automatically crafts the maximum number of that item for the materials being used (up to one stack), and moves all crafted items to the inventory

Toggle showing extra debug information

Reload all textures, sounds and web-loaded client resources. This is useful for resource pack makers

Toggle showing hitbox around entities

Jump

Sprint

Pick block

Use item / place block

Drop item

Drop whole stack of items. On Mac, use shortcut below, because this shortcut will quit game

(Mac) Drop whole stack of items

Load toolbar activator

Open command (open the chat window with "/" character already typed")

Advancements