Changing images with the history tools

As you work on an image, you may want to undo an operation or correct a mistake. There are many ways to correct mistakes in Adobe Photoshop. In the following sections, you’ll use the History palette and history brush tools to restore your image to an earlier state.

About the history painting tools

Two brush tools include the word history in their names, but their functions are quite distinct. Each has its unique advantages. One similarity between them, however, is that both can apply what are ordinarily layer- or image-level changes to a limited area of an image.