If you want to make a plain white background in Photoshop, there are a few simple steps you can take. First, open the image you want to change and select the Background layer. Next, click on the Background layer’s thumbnail in the Layers panel and select the Replace Color option from the menu. In the Replace Color dialog box, choose White from the Colors list and click OK. Finally, close out of Photoshop and your background will be white! ..
