BuildUtilities

HTTP Header Parser – Free Online Tool

Parse raw HTTP headers into a structured, readable format.

✦ FreeNo SignupInstantNetworkingWeb Security Headers Guide
Content-Type:application/json; charset=utf-8
Cache-Control:no-cache, no-store
X-Request-Id:abc-123-def
Set-Cookie:session=xyz; Path=/; HttpOnly
Content-Length:1234
{
  "Content-Type": "application/json; charset=utf-8",
  "Cache-Control": "no-cache, no-store",
  "X-Request-Id": "abc-123-def",
  "Set-Cookie": "session=xyz; Path=/; HttpOnly",
  "Content-Length": "1234"
}

Example

Input

Content-Type: application/json
Authorization: Bearer abc123
Cache-Control: no-cache

Output

Content-Type → application/json
Authorization → Bearer abc123
Cache-Control → no-cache

Raw headers are parsed into a clean key-value format.

How to Use HTTP Header Parser

  1. 1

    Paste Headers

    Paste raw HTTP headers from your browser's dev tools.

  2. 2

    View Parsed

    See headers organized in a readable table.

  3. 3

    Copy

    Copy individual header values.

Common Use Cases

  • ✦Debugging API request/response headers
  • ✦Inspecting security headers
  • ✦Analyzing caching configuration

Embed This Tool

Add this tool to your website or blog with a simple iframe embed.

<div style="max-width:480px"><iframe src="https://buildutilities.com/embed/http-header-parser?ref=embed" width="480" height="360" frameborder="0" style="border-radius:8px;border:1px solid #2a2e3a;width:100%"></iframe><p style="font:11px sans-serif;color:#888;margin:4px 0 0;text-align:right">Powered by <a href="https://buildutilities.com/http-header-parser?ref=embed" target="_blank" rel="noopener">BuildUtilities</a></p></div>

Share

Share a link to this tool. Results can be passed via URL parameters.

https://buildutilities.com/share/http-header-parser

Frequently Asked Questions

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