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JSON Editor

JSON Tools

Edit JSON with line numbers, bracket matching, code folding and live validation.

Input

Result

How to use

Editing JSON safely

The editor highlights syntax while you type. Press Format to normalise the document and Validate to confirm it is correct.

  1. Paste JSON into the editor.
  2. Edit the document.
  3. Format and validate when you are done.

Frequently asked questions

Where is my document stored?

Only in the browser tab you are editing in. Nothing is persisted to a server.

Can I use it offline?

After the page has loaded once the editor itself needs no network connection.

Related tools

JSON Formatter Beautify and validate JSON with configurable indentation, error highlighting and one click copy. JSON Viewer Read JSON in a clean formatted view and explore it as a collapsible tree. JSON Validator Check whether your JSON is valid and see a clear explanation of any syntax problem. JSON Minifier Remove every unnecessary space and newline to produce the smallest possible JSON payload. JSON Tree Viewer Turn JSON into an interactive, collapsible tree with array lengths and value types. JSON Parser Parse JSON and inspect the resulting structure, types and value counts.