JSON editor and validator - view, edit and format JSON data

JSONBuddy - A better way to edit and create JSON and JSON schema. The only editor with full support for Draft 4, 6, 7 and 2019-09.

JSON editor for Windows and validator

JSON editor for Windows ®

JSON text and grid editor for Windows® to create error-free JSON with ease.

JSON schema validator and editor

JSON syntax checking and JSON Schema validator supporting Draft 4, 6, 7 and 2019-09. Unique JSON schema analyzer


Context sensitive auto-completion (schema aware). Write JSON in less time.

JSON data converter

Import CSV text and get JSON data. Export JSON to CSV and convert between JSON and XML.

JSON Command-line tool

Free JSON validator command-line tool.

Be more productive with JSONBuddy as your JSON editor for Windows ®

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Built-in text editor for JSON and JSON schema with syntax-coloring, auto-completion, folding and more...

JSON syntax-coloring, auto-completion, code folding

Context sensitive entry-helper

Intelligent auto-completion using JSON schema information. Create JSON content in less time.

Brace highlighting and pretty-print

Brace highlighting, JSON pretty-print and remove whitespace features.

JSON Text editor

Whenver you need to edit any JSON input which is not well-formed.

JSON syntax checking

Avoid JSON parsing problems with the built-in JSON syntax checking.

Best JSON schema editor available

Schema editor for Windows® with $ref keywords as active links. Unique JSON schema analyzer

Code folding

Use code folding to collapse and expand sections of JSON text.


Complete JSON text editor for Windows®. JSON specific syntax-coloring for increased readability.

Complete JSON editor environment

Standard editor functionalities undo-redo, copy-paste and find-replace.

Always create well-formed JSON with JSONBuddy and the easy to use grid editor

Create well-formed JSON using the grid editor

Fast editing of JSON

JSON editor with drag-and-drop to build any JSON structure fast and easy.

Collapse and expand

JSON editor supporting collapse and expand sections of JSON data with a single click.

Context sensitive entry-helpers

Create JSON content in less time with intelligent context sensitive entry-helpers showing properties from any assigned JSON schema.


Syntax-coloring for property values and arrays.

Complete JSON editor environment

Standard editor functionalities like undo-redo, copy-paste and find-replace also for the grid editor.

Quick access with keyboard navigation

Support for keyboard navigation like arrow keys and page up/down.

Syntax checking and validation

Run well-formed tests and validation also for large JSON data.

JSON Schema view to generate HTML documentation

Use the unique JSON schema view to create a nicely looking tree diagram of your JSON schema. Learn more about the JSON schema editor in JSONBuddy.

Take a detailed look at some other features of JSONBuddy

JSONBuddy is more than just a JSON editor for Windows ®. Learn more on clicking the images and links below.

  • Validate JSON data using the JSON Schema standard.
  • Provide JSON type definitions for further checking of your JSON data.
  • Resolve problems fast with the jump-to-error functionalities.
  • JSON schema design tool with a unique schema analyzer (linter), extra syntax-coloring features and full validation of schema files.
  • Batch validator for JSON documents.
  • Free JSON validator command-line tool for Windows®
  • Feature comparison page
  • Version history

JSON (JavaScript Object Notation) is an open text format consisting of attribute–value pairs. Although JSON is derived from the JavaScript scripting language, it is a language-independent data format. JSON is commonly used for data transmissions between a server and web application, like AJAX and all kind of Web services.

Use JSONBuddy as your JSON editor for Windows PCs to create and modify JSON content or JSON Schema files and get access to extraordinary editor features like JSON well-formed checking, intelligent auto-completion, pretty-print, remove whitespace and JSON validation. JSONBuddy also provides additional functionalities to work efficiently with JSON:

  • JSON schema designer with support of the latest schema versions.
  • Convert between XML and JSON.
  • Convert JSON to CSV text.
  • Import CSV and get XML or JSON data.
  • Apply stylesheets to JSON and generate HTML.
  • JSON Pointer evaluation.

JSONBuddy has a built-in powerful Grid style editor for JSON. This new editor view simplifies the creation and editing of JSON text even more and guarantees that any JSON content is well-formed and ready to be parsed.

A grid style editor gives additional overview of the JSON content and allows quick collapsing and expanding to set the focus on the JSON parts you are currently interested in. By using a grid style editor, even users who are not familiar with the JSON format are enabled to create and edit complex JSON content.