DPI (Dots per inch) is used to denote the resolution number of dots per inch. In this tutorial, we are showing you how to change dpi in Photoshop
Steps to change dpi in Photoshop
Step 1: Open the Photoshop program. Make sure you have already installed Photoshop.
Step 2: Open the image by clicking File >> Open or simply press Ctrl + O from the menu bar. And select the file you want to open. Then click on the Open button.
Step 3: Next, from the menu bar, select Image >> Image Size.
Step 4: Finally, change the Resolution and click on the OK button. That are the complete steps to change dpi in Photoshop.
DPI (Dots Per Inch) is also sometimes referred as PPI (pixels per inch). Note, if you change DPI of an image then it’s output size also changes.