Converts the image colors to shades of grey.
Adjusts the gamma, used for changing the brightness of an image.
Adds random noise to the image. You can specify the amount and density.
Inverts all the pixels of the image.
Creates a mosaic effect. You can specify the block's size.
Specify custom hue, saturation and brightness levels.
Creates an oil painting effect.
Mixes RGB channels. For each channel, you can specify how much of the other two channels to mix in.
Adjusts the image levels by moving and stretching the brightness of the image histogram.
Edge detection with a dark background.
Similar to the Edge detection filter, except with more color.
Changes the gain and bias of the colors in the image.
Shrinks an image while maintaining its aspect ratio.
Crops an image in a rectangle, by specifying its size and coordinates.
Adds padding around the image. You can specify both the size and the color.
Rotates the image (by 90, 180, 270 degrees) or flips it horizontally or vertically.
Easy as $0.01 per filter. Your first 100/Month are free. Start hacking
Client Libraries are available in PHP, Ruby, Python, Java and Objective-C.
Apply filters in real-time in one HTTP request, without waiting for queues or making additional requests.
Instafilter.io runs on Mashape, a reliable API infrastructure that makes it easier to consume and track API usage with nice analytics.
Build your own custom filters by combining existing ones.
The API is built with mobile in mind: you can deliver filtered images on Android or iOS using our client libraries.
Please give me your feedback or contact me on Mashape for immediate support. My mission is to make you happy.
Lovely made by 
thefosk
For feedback you can reach me on Twitter.