How to update data in a JSON file?

Updating data in a JSON file can be done through text editors, programming languages, or specialized tools. For visual editing, use our JSON Editor at jsonconsole.com/json-editor which lets you navigate the structure in tree view and modify values directly. In code view, locate the key-value pair you want to update and change the value while maintaining proper JSON syntax. The editor validates changes in real-time, preventing syntax errors. In programming languages, parse the JSON file, update the specific properties using object notation, then serialize back to JSON. For example, in JavaScript: obj.name = "New Value"; then JSON.stringify(obj). Our editor is ideal for manual updates, offering both visual and code-based editing with instant validation. Always ensure commas, quotes, and brackets remain correct after updates. Use our JSON Formatter after updating to maintain consistent formatting.