– Open a 2000x2000px (recommended) (72dpi) working file.
– Make Actions section visible from the Windows tab.
– Click on the hamburger in the upper right corner of the action part and click “load actions ..”
– If your work is ready, select the BITMAP EFFECT action and click the PLAY button below.
– I chose this exercise as an example and I will run its action.
There is a point to be careful about while saving your work.
– Click Save for Web.
– Update image size to 2000x2000px and set QUALITY to NEAREST NEIGHBOR.
– So much!