JSON stands for Java Script Object Notification. Files that contain the .json file extension are similar to files that use the XML file format. The JSON file format is used to transmit structured data over various network connections.
The .json file extension is also used by the Firefox Internet browser, which is distributed by Mozilla. The Mozilla JSON files contain a backup copy of the bookmarks that have been created by a user who is using the Firefox Internet browser. If a user somehow loses his or her bookmark information, they can recreate the bookmark data using the information found in the JSON files.
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