Your files stay on your device

# HTTP header parser

Paste-in request/response headers with repeated-header preservation.
ClearRaw headers

Paste-only: this page never fetches a URL: remote header viewers stay blocked until a proxy spec exists.
Paste, drop, or type to begin. Everything stays on this device.

## More web & auth tools

- [Cookie analyzer](/web/cookie)
- [HTTP status reference](/web/http-status)
[All web & auth tools](/web)

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Canonical HTML: https://nutter.tools/web/headers/
Markdown version: https://nutter.tools/web/headers/index.md
Plain-text version: https://nutter.tools/web/headers/index.txt
Agent index: https://nutter.tools/llms.txt