A list of effects Neomesh Image Converter/Image Console can do in batches

Original

Flip

Mirror

Rotate (90 degrees)

Crop (at width-100 & height-100

Thumbnail (x100, y150, border color = blue)

Add Text (bottom left, x10, y10, red, arial-bold-underline)

Repair

RGB (Increased red to 100)

Gamma

Median (set to 5)

Dilate (set to 5)

Erode (set to 5)

Light (brightness -100, contrast - 0, stayed same )

Colorize (hue - 100, sat - 100)

Threshold (set to optimal)

Negative

Grayscale

Dither