1, open? PhotoshopCS5, first import the pictures to be processed. Click Menu-Open and select Image Import. After the picture is imported, you can see the layer information and history on the right.

2. Resize the image: click Menu-Image, and then click Image Size.

3. Adjust the size in the pop-up dialog box, such as 960*600, whether the height and width are adjusted according to the original proportion, and adjust the resolution.

4. Adjust the size of the canvas: the canvas is equivalent to putting a blank piece of paper at the bottom of the screen, and the default state is to change with the size of the screen at any time. Click Menu-Image, and then click Canvas Size.

5. After resizing, save the image, and then click Menu-File-Save. In JPEG options, resize the quality to see how many KB the image occupies, and then click OK to save.