CELEBRATE EARTH WEEK
Save 40% on eBooks and Web Editions*—use code EARTH now through April 27. Shop now.
Publishers of technology books, eBooks, and videos for creative people
Additional sample videos, individual lessons and other formats are available here.
Register your product to gain access to bonus material or receive a coupon.
While Photoshop can open many types of files, the native file format, PSD, offers the benefit of preserving all information about layers and pixels, which are the basic units that make up an image. Understanding the role of pixels will help you make decisions about the size and resolution of your image, based on how you plan to use it; a lower resolution is for screen use, higher resolution is best for printing; learn how to use image size and resolution settings and resampling to size your image correctly.