JSON Editor is a web-based tool to view, edit, format, and validate JSON. It has various modes such as a tree editor, a code editor, and a plain text editor. The editor can be used as a component in your own web application. It can be loaded as CommonJS module, AMD module, or as a regular javascript file.
The library was originally developed as core component of the popular web application https://jsoneditoronline.org and has been open sourced since then.
Supported browsers: Chrome, Firefox, Safari, Edge.
Continuous integration tests are run on GitHub Actions, and LambdaTest is used to test on all major browsers.
Thanks, GitHub Actions and LambdaTest for the generous support for this open source project!
Successor: svelte-jsoneditorThis library jsoneditor has a successor: svelte-jsoneditor. The new editor is not a one-to-one replacement, so there may be reasons to stick with jsoneditor. The main differences between the two are described here.
JSONEditor has various modes, with the following features.
with npm (recommended):
Alternatively, you can use another JavaScript package manager like https://yarnpkg.com/, or a CDN such as https://cdnjs.com/ or https://www.jsdelivr.com/.
Note that in the following example, you'll have to change the urls
jsoneditor/dist/jsoneditor.min.jsandjsoneditor/dist/jsoneditor.min.cssto match the place where you've downloaded the library, or fill in the URL of the CDN you're using.
<!DOCTYPE HTML>
<html lang="en">
<head>
<!-- when using the mode "code", it's important to specify charset utf-8 -->
<meta charset="utf-8">
<link href="jsoneditor/dist/jsoneditor.min.css" rel="stylesheet" type="text/css">
<script src="jsoneditor/dist/jsoneditor.min.js"></script>
</head>
<body>
<div id="jsoneditor" style="width: 400px; height: 400px;"></div>
<script>
// create the editor
const container = document.getElementById("jsoneditor")
const options = {}
const editor = new JSONEditor(container, options)
// set json
const initialJson = {
"Array": [1, 2, 3],
"Boolean": true,
"Null": null,
"Number": 123,
"Object": {"a": "b", "c": "d"},
"String": "Hello World"
}
editor.set(initialJson)
// get json
const updatedJson = editor.get()
</script>
</body>
</html>
The code of the JSON Editor is located in the folder ./src. To build jsoneditor:
Install dependencies:
Build JSON Editor:
This will generate the files ./jsoneditor.js, ./jsoneditor.css, and
minified versions in the dist of the project.
To automatically build when a source file has changed:
This will update ./jsoneditor.js and ./jsoneditor.css in the dist folder on every change, but it will NOT update the minified versions as that's an expensive operation.
Run unit tests:
Run code linting (JavaScript Standard Style):
jsoneditor is released as open source under the permissive the Apache 2.0 license.
If you are using jsoneditor commercially, there is a social (but no legal) expectation that you help fund its maintenance. Start here.
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