Open JSON file

JSON files: what are they and how do I open them?

json file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.json file type #1: Data interchange format known as JavaScript Object Notation

json extension is used for special JavaScript object notation files, which are meant as data-interchange format based on the ECMAScript programming language standard. Used for numerous purposes in many JavaScript based software solutions.

Further details:

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999.

JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. These properties make JSON an ideal data-interchange language. A JSON file is a file that stores simple data structures and objects in JavaScript Object Notation (JSON) format, which is a standard data interchange format. It is primarily used to transmit data between a server and web application, as an alternative to XML.

Open file with:

JSON formatter

A web-based JSON tool

Visual JSON for Mac icon

Visual JSON for Mac

JSON visualization tool for Mac

Visual Studio Code icon

Visual Studio Code

Integrated development tool and source code editor for Windows, Mac and Linux

JSON View for Mac icon

JSON View for Mac

JSON parser for OS X

NotePad++ text editor icon

NotePad++ text editor

A free source code and text editor for Windows

gedit icon


The official text editor of the GNOME desktop environment

oXygen XML Editor icon

oXygen XML Editor

An XML editor

Sublime Text icon

Sublime Text

A sophisticated source code editor for programmers

Adobe Dreamweaver icon

Adobe Dreamweaver

Industry-leading web authoring and editing software from Adobe

Toodledo icon


A powerful productivity tool

.json file type #2: Firefox bookmark file

json files from Mozilla Firefox web browser are user bookmarks saved in specific JSON base format.

Further details:

JSON file for Mozilla Firefox represents bookmark backup which contains all of the saved bookmarks in a format that can be read by the Firefox browser.

JSON stands for JavaScript Object Notation, which is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. When you backup your bookmarks, Firefox will create a JSON file that contains all the URLs, names, and folder organization of your bookmarks. This file can be used to restore your bookmarks if they are lost or if you are transferring them to a new computer.

Open file with:

Firefox icon


A popular free web browser from Mozilla

Firefox for Mac icon

Firefox for Mac

Mac version of the popular web browser

Firefox for Linux icon

Firefox for Linux

Firefox for Linux is popular free web browser

Seamonkey for Linux icon

Seamonkey for Linux

All-in-one internet application suite for Linux

SeaMonkey icon


Web browser based on Firefox and Mozilla application suite


A bookmark converter

Firefox Bookmark Backup Reader/Decompressor

Online utility used to recover Firefox bookmarks

Seamonkey for Mac icon

Seamonkey for Mac

Alternative web browser for Mac

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.json" has the file extension "json". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.