


JSON files are used by many web-based JavaScript applications to store information, like node.js etc.Īpplications may not necessarily save JSON files on the hard drive because the data may be modified in internet connected computers. JSON files are also used to carry notifications from the web application to the server. JSON files are used for many purposes but its main purpose was to transmit data between a server and a web application. JSON was initially based on JavaScript but now it is considered language-independent because of its support for many Application Program Interfaces.
