To set the png image as a transparent background (no background color), you need to delete (or hide) the background layer and the background color layer, export the image layer except the background layer, and save the file in. Png format, so that png images have no white background.
The operation steps are as follows:
1. Open the image with Adobe Photoshop, that is, the image you want to set as a transparent background;
2. In the layer toolbar, I see that the image has a white background, and now I want to delete this white foreground;
3. Select the layer 1, and use tools such as pen tool, wand tool and channel to select cartoon characters; Here you use the magic wand tool, click on the white background and select it.
If it is a solid background, you can use the magic wand tool to select the background color; If the background is not solid, you need to tick the path with a pen or use the channel matting.
4. Press the Delete key on the keyboard to delete the white background of cartoon characters; The effect after deletion is as follows:
5. After deleting the "Layer" toolbar with white background, you can see that there is no white now, and the grid is exposed, which proves that the image has no background color now;
6. Export the picture. Click File/Save Copy (Save old PS version as)/Save Type/Select png format.
7. Save completed.