HTTP Header Tool
Parse raw HTTP header text into a readable table, or build a set of headers into raw header text.
Your file is processed locally in your browser and is not uploaded to our server.
Parsed headers (3)
Content-Typeapplication/json
Cache-Controlno-cache
X-Request-Idabc123
How to use HTTP Header Tool
- 1Parse mode: paste raw HTTP headers to see them broken out into a name/value table.
- 2Build mode: add header rows to generate a raw header block you can paste elsewhere.
Frequently asked questions
No — this tool only parses or formats header text you provide; it never makes network requests.
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