Greyscale() - convert greyscale image
Blur() - use to reduce image noise and reduce pixel details
Sepia() - convert reddish-brown color make image looks like older
Saturate() - set intensity of color in the image
Opacity() - make transparent image set visibility
Brightness() - image makes with more lightning effect
Contrast() - contrast is the difference in colour that makes an image distinguishable
Hue-rotate() - Hue in the HSB/HSL encodings of RGB between 0 - 360
Invert() - set pixel colors reversed and makes negative.
Multiple functions can be used by comma separated