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Tools > HTTP Header Parser

HTTP Header Parser

Parse and analyze HTTP headers

HTTP Headers

🔒 This tool runs in your browser only. No input data is sent to any server.

About HTTP Header Parser

HTTP Header Parser analyzes and explains HTTP request and response headers. Paste raw HTTP headers to see each header field parsed with its name, value, and description. Useful for debugging API calls, CORS issues, caching behavior, and security headers.

How to Use

  1. Paste raw HTTP headers from your browser DevTools or API client.
  2. Each header is parsed and displayed with its description.
  3. Click on any header for detailed explanation and common values.
  4. Copy individual header values as needed.

Key Features

  • Parse and explain HTTP request and response headers
  • Detailed descriptions for standard headers (Cache-Control, CORS, etc.)
  • Support for custom and non-standard headers
  • Easy copy of individual header values