Use Photoshop to add invisible watermarks to images

As you know, Images posted on the Internet are easy to be stolen. Currently, most websites use image watermarks to protect against theft. Although this method can play a certain role, it greatly damages the image effect. Now I try to use Photoshop to make an invisible watermark, which can be placed in any part of the image, without damaging the image and making it hard to be smeared. Let's take a look at what's special in the figure below. I don't know anything, but what did you see after pressing CTRL +? Haha! If you are interested, follow me.

1. Open an image with a width of 640 pixels and add text to the appropriate position. Note: Try not to place the text in a pure black or white area.

2. Press ctrl and click the text layer to select text

3. delete text Layers
 

4. Press Ctrl + C and CTRL + V respectively to copy and paste the Layer 1.

5. Create a 2x2 pixel new file. The default file name is "untitled-1"

6. Use the Zoom tool to enlarge "untitled-1" to the maximum, select the Pencil tool, set the brush size to 1 pixel, and draw the effect in black.

7. Click the "define pattern" option under the editing menu to define "pattern 5 ". (This step does not need to be done every time. It can be called after the pattern is completed)

 
8. Create Layer 2

9. Click fill in under the editing menu, select "pattern 5", set other parameters, and click "OK" to confirm filling.


10. Use the Zoom tool to zoom in the box and remove "√" from the "continuous" selection box. Then use the magic wand tool to select the black box.

11. Delete Layer 2
 
12. Press Ctrl + m to open the curve adjustment panel and adjust it properly to the light.

13. CTRL + Shift + I invert selection, and then enable curve adjustment to properly adjust to the dark area

14. Press Ctrl + D to cancel the selection. Double-click the Zoom tool to display the original large image. If the text is not completely hidden, adjust the curve again until the text is completely hidden.

15. Use the Zoom tool to zoom in the image multiple times and observe a mosaic in the text, which indicates that the image is successfully enlarged. Finally, press Ctrl + e to combine layers and save the disk for upload.