Click below the graphics or name of each button to read more about the tool:

Resolution

Correction

Substitute

Black/white

Halftone

Grayscale

Invert colors

Invert B&W

The “More…”  button shows a menu with these additional functions:

Count colors – shows the number of unique colors on the current image.

Immediately substitute colors – substitutes colors immediately, without asking any questions, according to substitutions defined earlier under the  “Substitute” button.

Immediately correct colors – immediately applies color correction defined earlier under the “Correction” button