API Response Visualizer

Visualize JSON API responses in tree & table views.

api visualizer, json viewer, api response viewer, json tree view, api data explorer, json table view, rest api viewer

About API Response Visualizer

Understanding complex API responses is crucial for modern web development. Our API Response Visualizer transforms raw JSON data from any API endpoint into beautiful, interactive visualizations. Simply paste your API URL and choose between tree view (hierarchical structure), table view (tabular data), or raw JSON. The tool automatically fetches and parses the response, making it easy to explore nested objects, arrays, and data relationships. Perfect for developers debugging APIs, frontend engineers integrating third-party services, or anyone working with RESTful APIs and JSON data. All processing happens securely in your browser with no data storage.

Key Features

  • โœ“100% Free: No signup, no hidden fees, unlimited usage
  • โœ“Privacy First: All processing happens locally in your browser
  • โœ“Fast & Reliable: Instant results without server delays
  • โœ“No Installation: Works directly in your web browser
  • โœ“Mobile Friendly: Responsive design works on all devices

Frequently Asked Questions

How do I visualize an API response?
Simply paste your API URL in the input field and click 'Fetch'. The tool will retrieve the JSON response and display it in your chosen view mode.
What view modes are available?
You can switch between Tree View (hierarchical), Table View (for arrays), and Raw JSON view.

Need More Developer Tools?

Explore our complete collection of 30+ free online utilities for developers, designers, and marketers.

Browse All Tools โ†’