A complete HTTP exchange showing both request and response in wire format.
Display just the request portion with method coloring and header highlighting.
Display just the response with status code coloring and JSON body highlighting.
JSON responses are automatically parsed and syntax highlighted.
HTML content with tag, attribute, and value highlighting.
CSS with selector, property, and value highlighting.
JavaScript with keyword, string, and comment highlighting.
Error status codes are highlighted in red/orange colors.
Multiple requests visualized with timing. Toggle between List, Duration, and Waterfall views.
Capture real HTTP requests made by the page. Click the buttons to make test API calls.
Build and send custom HTTP requests interactively. The explorer is built into http-waterfall.
Use the highlight attribute to emphasize specific parts of the request/response.
Use the box attribute to add labeled borders around sections.