The brightness parameter increases or decreases the amount of perceived light an image radiates or reflects.

API Pattern



Parameter Description
brightness Brightness of the output image.

Parameter Values

Value Description
Integer A whole number between -100 and 100.
Float Decimal number between -100.00 and 100.00.


  1. The default value is 0. This leaves the image unchanged.
  2. Valid values range from -100 to 100
  3. A value of 100 will generate a fully white image.
  4. A value of -100 will generate a fully black image.


Description HTML Demo
Increase Brightness - Increase the brightness of the image by 50. <img src="image.jpg?brightness=50"/> Example