JSON Viewer Pro is a free Chrome extension designed for viewing and formatting JSON data. This tool features a collapsible tree view with syntax highlighting, allowing users to explore JSON structures easily. It supports real-time search across keys and values, enabling quick access to specific data points. Users can toggle between a formatted tree view and the raw JSON format, making it flexible for various needs. The extension also includes a URL detection feature for clickable links, enhancing usability while working with JSON strings.

Prioritizing user privacy, JSON Viewer Pro does not track or collect data, ensuring a secure experience. It is completely ad-free and open source, allowing users to inspect the code for transparency. With themes that adapt to system preferences and minimal permissions required, this extension is ideal for API development, debugging, and inspecting JSON responses.