JSON Editor Visual Editor

Online visual JSON editor with tree view expand/collapse support for intuitive JSON editing.

Tree View

Click the "Format & Load" button above to load JSON into the tree view for visual editing.

How to Use

  1. Enter or paste JSON data into the top text box.
  2. Click the "Format & Load" button. JSON will be formatted and loaded into the tree view below.
  3. In the tree view, click the expand/collapse buttons to navigate the JSON structure.
  4. Double-click a node value to edit it.
  5. Click "Save Changes" to sync modifications from the tree view back to the text box.
  6. Use "Collapse All" and "Expand All" buttons to batch control all node states.

Related Tools

About JSON Editor

JSON Editor is a free online visual JSON editing tool. It not only formats JSON data but also displays JSON in a tree structure, allowing you to visually view and edit JSON hierarchy relationships.

The tree view supports expand and collapse operations, making it easy to browse large JSON data. Double-click a node to edit its value, ideal for developers who frequently modify JSON configuration files. All operations are performed in the browser, data is never uploaded to a server, protecting your data privacy.

Frequently Asked Questions

Our JSON editor supports tree view editing, code editing, real-time validation, formatting, minification, drag-and-drop sorting, undo/redo, search and replace, color picker, and more professional features.

The editor is optimized for performance and can handle large JSON files. For files over 10MB, we recommend using Code mode for better performance.

No. All editing operations happen in browser memory - data is never sent to any server. You can safely edit sensitive data.