UniToolHub

JSON Editor

Edit JSON with a friendly tree/text editor.

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About JSON Editor

Edit JSON data with a user-friendly interface. Features include tree editing, text editing with syntax highlighting, and real-time validation.

How to Use

  1. 1

    Paste or create JSON

    Paste existing JSON or start with an empty object.

  2. 2

    Edit in preferred mode

    Use text mode or tree mode to make changes.

  3. 3

    Copy or download

    Copy edited JSON or download as a file.

Examples

Edit fields
Input: {"name": "John"}
Output: {"name": "Jane", "age": 25}

Frequently Asked Questions

What editing modes are available?
Two modes: text mode for direct editing with syntax highlighting, and tree mode for visual editing with add/remove fields.
Does it validate while editing?
Yes, real-time validation shows errors as you type.
Can I add/remove fields?
Yes! In tree mode, you can add new keys, delete existing ones, change types, and reorder elements.