HTTP Message Parser — Free Online Tool
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HTTP Message Parser

Paste a raw HTTP request or response to parse headers, body, and detect common anti-patterns.

Parse as:
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About HTTP Message Parser

Paste any raw HTTP/1.x request or response and instantly see the parsed method, path, status code, headers table, and body — with JSON pretty-printing and anti-pattern detection. Everything runs 100% in the browser with no data sent to any server.