Format API response data. A must-have tool for API development and testing.
Formatted response will appear here...Set up your API request or data.
Run or process the request.
See the formatted response.
Use the Response Formatter when debugging raw API responses, preparing response examples for documentation, or analyzing data returned from production API endpoints. It is essential for developers working with APIs that return minified JSON or complex nested data structures that are difficult to read in raw form.
Yes, the Response Formatter is completely free to use without any limitations. Format and beautify as many API responses as you need during development and debugging. All data formats are supported with no premium restrictions.
No, the Response Formatter processes data locally in your browser. Paste API response data directly and it will be formatted, syntax-highlighted, and displayed with proper indentation. This makes it safe for formatting responses containing sensitive production data.
The formatter handles JSON, XML, HTML, YAML, and plain text API responses with automatic format detection. JSON responses are pretty-printed with syntax highlighting, XML is properly indented, and headers are separated into a clean table view. Malformed responses are displayed with error indicators.