HTTP Headers Parser
Paste raw HTTP headers and instantly parse them into structured JSON.
You can paste raw request or response headers, with or without the HTTP status line.
0 headers
What is an HTTP headers parser?
HTTP headers carry metadata about requests and responses, such as content type, caching, security rules, and server behavior.
This tool helps you convert raw HTTP headers into structured JSON and a readable key-value list directly in your browser.
How to use the HTTP Headers Parser
- Paste raw HTTP request or response headers into the input field.
- Click Parse.
- View the headers as JSON and as a readable list.
Tips
- You can paste headers copied from browser DevTools, curl, Postman, or server logs.
- Duplicate headers are grouped into arrays.
- Security-related headers are highlighted for quick review.
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HTTP Headers Parser FAQ
Is my data sent to the server?
No. Everything runs locally in your browser.
Can I paste a full HTTP response?
Yes. The status line like HTTP/1.1 200 OK is ignored during parsing.
What happens with duplicate headers?
They are grouped into arrays in the parsed JSON output.