How to change file size using ps

Some friends have just opened the PS software, but don’t know how to use it. Now I will talk to you about how to use PS to change the file size.

How to change the file size using PS:

1. First drag and drop an image into PS, then click to select the left side Use the crop tool on the toolbar, and then enter the required pixel value to crop.

2. Click "File" and select "Save for Web and Devices" in the drop-down menu.

3. In the opened dialog box, click the small triangle menu on the right and select "Optimize File Size".

4. The uppercase and lowercase letters are the required values. For example, 20K, you can confirm it later.

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