1. Open the photoshop software, observe the interface carefully, click the open icon, find the picture of the seal, select it, and click the open icon below.
2. In the left toolbar, click the fourth magic wand tool.
3. Select the red part of the seal, hold down the shift key, and left-click the mouse to select the area simultaneously. When finished, right-click and select Reverse.
4. After the reverse selection is completed, press and hold the delete key on the keyboard to set the seal background to transparent.
5. At this time, click the second rectangular box tool on the left toolbar and point the cursor in the blank space to cancel the selection.
6. For the areas where the electronic seal is lighter in color, select the imitation stamp tool in the left toolbar to copy the areas where the color is lighter. After completion, click the file icon in the upper left corner, select the storage icon in the drop-down menu, and save the file.