From last two years, many websites and tracking softwares are utilizing the fingerprinting power of HTML5 Canvas, which is a HTML element used to dynamically generated image in your browser’s web page. EACH BROWSER GENERATES DIFFERENT IMAGE Basically, web browsers uses different image processing engines, export options, compression level, so each computer draws the image slightly differently, the images can be used to assign each user’s device a number (a fingerprint) that uniquely identifies it i.e. Browser fingerprinting.