Materials required: PS CS6 demonstration.

First, open the handwritten signature picture, enter the channel to observe which channel has a big contrast with the background color, and copy the channel.

Second, use the white brush tool to cover the unnecessary places.

3.Ctrl+L opens the color scale window and adjusts it to pure black and pure white. Click OK.

Fourth, Ctrl+ left mouse button click on the thumbnail of the channel, select the channel, and then Ctrl+Shift+I reversely select.

5.Ctrl+J will copy the handwritten signature to the new layer and delete the redundant layer.

6.Ctrl+Shift+S opens the Save As window and saves it in PNG format.

7. Open another file and drag the handwritten PNG picture into it.

Eight, adjust the position, click enter to cancel the free transformation box, and that's it.