Soft Maximum - best free downloads
negate

axsImaging
... Image manipulations include flip, rotate, crop, tile, negate and resize. Color processing includes RGB, HSB and Brightness/Contrast ...

Image Editor
... dither Repair image to give it a more smoother look Negate image Apply the ellipse transform Flip image horizontally or ...

Image Converter .EXE
... Dilate, Emboss, Equalize, Erode, Flip, Median, Mirror, Negate, Outline, Replace Colors, Colorize, Merge. Well Image Converter .EXE ...

1