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JSON (Javascript Object Notation) is a machine readable data storage format which can include heirarchical information. Douglas Crockford originally specified and popularised the structure around 2001.

It's purpose has been likened to XML, however, JSON requires less storage space and is more readable than the more traditional XML specification.

The JSON notation is very similar to the Javascript language structure of associative arrays and objects. It consists of name value pairs existing within a parent-child relationship.

Adoption of JSON has been growing rapidly and is used by a growing number of websites throughout the world. AJAX (a common method of communication between websites and servers) often uses JSON as the communication language.

Our website converts this machine readable format to human readable CSV (viewable in a spreadsheet).

Further information about JSON can be obtained here.