You can move camera around and through blocks. Default key F6, but can be changed in options. You can open chests through walls or attack entities.

Camera Speed Settings

Acceleration:		How quickly you reach max speed. Blocks/sec^2
Max Speed:		Blocks/second
Slowdown Factor:		How quickly you slowdown after releasing key, closer to zero = quicker, closer to one = slower.

Render hands

FreeCam Targeting

Use FreeCam position and rotation to target blocks/entities.

Flight Method

Default

Creative

Remember Input State

Remembers state of WASD/Jump/Crouch keys when you activate FreeCam. For example: you can hold Crouch while entering FreeCam, and character will stay in crouched state for entire FreeCam duration.