The software tool commonly used for graphic design and photo editing is Adobe Photoshop. Photoshop offers a comprehensive suite of creative tools that professionals and hobbyists use to create and manipulate images. Its versatility includes features for retouching photographs, designing graphics, and generating digital art. Photoshop’s extensive capabilities allow users to work with layers, apply filters, and utilize a variety of brushes and textures. It remains a standard in the industry, widely respected for its functionality and innovation in the field of digital design.