ART image file format

ART is a proprietary image file format of AOL. Initially, the compressed format was developed by the Johnson -Grace, but this was bought up by the online service AOL. The compression is lossy, their intensity, adjustable down to a lossless storage mode. Receives the file. Art as an ending.

ART files support a color depth of 24 bit, use levels for progressive display over slow links ( for example, only fast loadable outline, then details, then print) and provide a comment box for a maximum of 200 characters. When an image is converted to ART format, the software analyzes only the data and then decides which compression method is applied.

ART was, next to the free distribution of Johnson -Grace ART program package Press, temporarily supported by Microsoft, especially in the Internet Explorer Web browser and the software Graphic Workshop Professional is the Alchemy Mindworks Corporation. AOL used this format in the Modemära - apart from using for their own content - to compress occurring when surfing the World Wide Web images, thereby reducing waiting times for page construction. The method has been implemented using an in-house proxy server used to when using the AOL software of WWW traffic has always been settled.