HTTP Header Parser

Parse HTTP headers into structured JSON format.

HTTP Headers Input

Parsed Headers (JSON)

How to use HTTP Header Parser

1
Enter HTTP headers — Paste your raw HTTP headers into the input field, one per line.
2
Click Parse Headers — The tool will parse and validate each header automatically.
3
Review parsed output — Inspect the structured JSON output and any validation warnings.
4
Copy JSON — Copy the parsed JSON to use in your application or debugging workflow.

The HTTP Header Parser runs entirely in your browser — your headers never leave your machine.