Free HTTP Headers Parser
Parse and analyze HTTP headers from requests and responses. Free, fast, and works entirely in your browser with no sign-up required.
HTTP Headers Parser
Parse and analyze HTTP headers. Get security scores and recommendations.
strict-transport-securitycontent-security-policyx-frame-optionsx-content-type-optionsreferrer-policypermissions-policycross-origin-embedder-policycross-origin-opener-policycross-origin-resource-policyx-xss-protectionRecommended Headers to Add
x-content-type-optionsreferrer-policypermissions-policycross-origin-embedder-policycross-origin-opener-policyHTTP Headers
Paste HTTP headers from browser DevTools, cURL, or any HTTP response.
Parsed Headers (10)
content-typeIndicates the media type of the resource
cache-controlCaching directives for both requests and responses
etagIdentifier for a specific version of a resource
x-frame-optionsPrevents clickjacking by controlling iframe embedding
strict-transport-securityForces HTTPS connections (HSTS)
content-security-policyControls resources the browser can load
serverInformation about the server software
set-cookieSend cookies from server to client
dateDate and time the message was sent
access-control-allow-originCORS: allowed origins for cross-origin requests
Frequently Asked Questions
What is the HTTP Headers Parser?
The HTTP Headers Parser is a free online tool that parse and analyze http headers from requests and responses. It runs entirely in your browser with no installation or sign-up needed.
Is the HTTP Headers Parser free?
Yes, it is completely free with no registration required. All parsing happens client-side in your browser.
What information does it show?
The HTTP Headers Parser displays each header name and value with explanations of security implications, caching behavior, and content negotiation.
Is my data safe with this tool?
Absolutely. The HTTP Headers Parser processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the HTTP Headers Parser work on mobile devices?
Yes, the HTTP Headers Parser is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the HTTP Headers Parser in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
What programming languages or formats does this support?
The HTTP Headers Parser supports a wide range of popular formats and languages. Check the tool interface for the full list of supported options.
How do I use the HTTP Headers Parser?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The HTTP Headers Parser works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About Free HTTP Headers Parser
Free HTTP Headers Parser is a free, browser-based tool in our Developer Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.