This client mod allows you to easily manage your inventory, in both single player and multiplayer. It works out of the box, and will make you gain a massive amount of time!
- It automatically replaces your tools as they break, and item stacks once emptied
- It sorts your inventory and your chests in a single click/keystroke
- It provides lots of powerful shortcuts to move items around
- It allows you to customize entirely the way your inventory is sorted, thanks to clever configuration files
-from Inventory Tweaks minecraft forum page