Adjustments
Brightness bri
Adjusts the image brightness. Use values between -100 and +100, where 0 represents no change.
<img src="kayaks.jpg?w=500&bri=-25">
Contrast con
Adjusts the image contrast. Use values between -100 and +100, where 0 represents no change.
<img src="kayaks.jpg?w=500&con=25">
Gamma gam
Adjusts the image gamma. Use values between 0.1 and 9.99.
<img src="kayaks.jpg?w=500&gam=1.5">
Sharpen sharp
Sharpen the image. Use values between 0 and 100.
<img src="kayaks.jpg?w=500&sharp=15">
