Turn any photo into a dot grid artwork with these Photoshop actions. You'll get great results with dots that change size. They get larger in brighter areas and smaller in darker areas. Free download available.
If the Animation window is not in Frame view, press the button to convert the animation into a frame animation. If it's already in frame view, you can skip this step.
Now we need to set how many times it should loop. Click on the bottom right menu to select how the animation should loop. To have the animation loop forever, select Forever.
To save the animation as an animated GIF file, use the Save for Web & Devices tool. To open the Save for Web & Devices tool, press Shift+Ctrl+S or open the File menu and select Save for Web & Devices. In the Save for Web & Devices tool, Select a GIF preset and modify the settings if necessary. Click the Save button when you are ready to save.