Mass Product Changer is an extension that allows the user to perform operations with multiple products at the same time. You can choose from 1 up to 1000 products and modify them simultaneously. This way you are spared from spending the eternity on changing the info about the products manually.
Modifying products with this option is as easy as 1, 2, 3. First, you are to select the products you want to modify, then click the right mouse button and choose Mass Product Changer in the context menu. The Mass Product Changer window will appear, where you are to fill in the necessary fields. Click OK and wait several seconds for the process to finish. You will see the progress of applying changes to the items on your screen.

Use Mass Product Changer when you want to set default prices, special prices on a large amount of products, change their descriptions, status and stock availability. This option will save loads of your energy, time and nerves.