Action Fit

This actions downsizes and crops the image to the requested aspect ratio and size.

Align Horizontal

Describes the horizontal alignment by percentage: from 0% (left), 50% (middle) to 100% (right).

Align Vertical

Describes the vertical alignment by percentage: from 0% (top), 50% (middle) to 100% (bottom).

Bleed

The bleed argument allows you to remove a border around the outside the image (from all four edges). The value is a decimal percentage. The default value is 0 (no border).

Width, Height, Resolution, Resample Image

Same as in the Scale action.