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Filters

Apply image effects and adjustments
Filters allow you to modify images on-the-fly by applying different effects.

Available filters

Filter
Syntax
Description
bright=X | f=bright:X
adjusts the brightness of the image
Contrast
contrast=X | f=contrast:X
adjusts the contrast of the image
Saturate
saturate=X | f=saturate:X
adjusts the saturation of the image
Grayscale
gray=1 | f=gray | grey=1 | f=grey
converts the image to a black and white one
colorize=X | colourise=X
applies a color overlay
Pixelate
pixelate=X | f=pixelate:X | pixellate=X | f=pixellate:X
pixelates the image into X-pixel-sized blocks
Blur
blur=X | f=blur:X
applies Gaussian blur
Sharpen
sharp=X | f=sharp:X
applies unsharp mask to sharpen the image

Combining filters

To use more than one filter, you can either use separate parameters or concatenate them with commas into the f parameter:
Preview
Syntax
Concatenate into the f parameter: /docs/ny_doc.jpg?f=bright:15,contrast:30,gray