ToolsXpo

HTTP Headers Parser

Convert raw HTTP header blocks copied from the network tab into clean JSON structures.

This tool has an API.Automate it from your code — 2 credits/call.Open in Playground
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Examples & Use Cases

Raw Headers Text

Content-Type: text/html; charset=utf-8 Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip

Parsed JSON Headers

{ "Content-Type": "text/html; charset=utf-8", "Strict-Transport-Security": "max-age=31536000", "Content-Encoding": "gzip" }

HTTP Headers to JSON Parser

When debugging CORS issues, cache policies, or API authentication, developers often copy massive blocks of raw HTTP headers from their browser's Network tab or Curl output. Our HTTP Headers Parser instantly cleans up that raw text block and converts it into a perfectly formatted JSON object.

Why Parse Headers into JSON?

  • Easy Reading: JSON format allows for syntax highlighting, making it vastly easier to read through dozens of AWS or Cloudflare response headers.
  • Script Testing: Need to mock an API response? Paste the real headers here to generate a JSON object you can immediately use in your automated tests.
  • Documentation: Clean JSON objects look much more professional when pasted into Jira tickets or GitHub issues for bug reports.

100% Privacy and Security

HTTP headers frequently contain Authorization: Bearer ... tokens and sensitive Cookie data. Because our tool is a client-side parser, your private tokens and session cookies never leave your machine.

About HTTP Headers Parser

Convert raw HTTP header blocks copied from the network tab into clean JSON structures. It's built for debugging web requests, headers and page behaviour, runs instantly, and works on any device — no install, no sign-up.

How to use HTTP Headers Parser

  1. Paste or type your input into the editor on the left.
  2. Leave the defaults, or tweak them if the tool exposes options.
  3. The result appears instantly on the right — everything runs in your browser, so nothing is uploaded.
  4. Copy the output, or download it, and you're done.

Why use HTTP Headers Parser?

  • Fast and local — the transform happens in your browser, so there's no round-trip and no waiting.
  • Private by default — only the specific lookup you request leaves your device; nothing is stored.
  • Accurate — the same, well-tested logic powers both this page and the public API.
  • Free — unlimited use in the browser, with an optional API for automation.

Use it from the API

Everything this page does is also available as a REST endpoint, so you can call HTTP Headers Parser from your own code, a script or a CI pipeline.

Bash
curl "https://api.toolsxpo.com/v1/http-headers-viewer" \
  -H "Authorization: Bearer txp_live_YOUR_KEY"

The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 2 credits per successful call. Try it in the playground or browse the full API reference.

Frequently asked questions

Is HTTP Headers Parser free to use? Yes — use it in the browser as much as you like. The optional API has a free tier and pay-as-you-go pricing for heavy or automated use.

Is my data private? This tool makes a live network request to do its job, so the address or input you submit is sent to the relevant service. It is never stored on our servers.

Can I automate HTTP Headers Parser? Yes — call the http-headers-viewer API endpoint from any language and script it into your workflow.

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