Online JSON Editor

Edit, visualize and format JSON data in text or tree view.

{
  "config": {
    "enabled": true,
    "theme": "dark"
  }
}

{
  "config": {
    "enabled": true,
    "theme": "dark"
  }
}

Length: 62 charsLn 6

Edit JSON Online

A powerful, browser-based JSON editor with tree view, validation, and formatting capabilities.

Live Editing

Edit JSON in real-time with syntax highlighting and instant error detection.

Visual Tree

Switch to a tree view to navigate deep nested objects without getting lost.

Format & Minify

One-click tools to beautify messy JSON or compress it for production use.

Client-Side

All processing happens in your browser. Your data never creates a security risk.

How this Online JSON Editor works

This powerful online JSON editor enables users to view, edit, and format JSON data directly in the browser. It features syntax highlighting, automatic indentation, and error detection to streamline the editing process. The tool supports switchable views between raw code and a structured tree representation, allowing for intuitive data manipulation. Users can easily copy, paste, and download their modified JSON files. All processing is performed locally, guaranteeing data security and privacy.

How to use this Online JSON Editor

Edit JSON

Type or paste JSON in the editor.

Tree View

Switch to Tree View to explore logic.

Manage

Format, minify or copy your data.

Example Usage

A compact configuration object edited and formatted in the online JSON editor with tree navigation enabled.

Input

{"config":{"enabled":true,"theme":"dark","retries":3}}

Output

{ "config": { "enabled": true, "theme": "dark", "retries": 3 } }

Frequently Asked Questions

Can I edit deeply nested JSON here?

Yes. The tree view lets you expand, collapse, and directly edit values inside deeply nested objects and arrays without losing your place.

Does the editor validate JSON automatically?

Yes. Syntax errors are flagged in real time as you type, with the error message showing the position of the problem.

Can I upload a JSON file?

Yes. Use the Upload button to load a .json file directly from your device into the editor.

How do I minify JSON?

Click the Minify button in the toolbar to compress your JSON by removing all whitespace and newlines.

Is my JSON data secure?

Completely. All editing and processing happens locally in your browser. Nothing is ever sent to a server.

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The Online JSON Editor is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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