🌐 HTTP Headers Parser

Paste HTTP response headers to parse and analyze them with detailed explanations

📥 Paste Headers

📊 Parsed Headers

📋

Paste headers on the left and click "Parse Headers"

💡 About HTTP Headers Parser

HTTP headers are key-value pairs sent between clients and servers during HTTP requests and responses. They carry important metadata about the request or response, including content type, caching directives, security policies, and more.

Common header categories:

Security: X-Frame-Options, Content-Security-Policy, Strict-Transport-Security, X-Content-Type-Options
Caching: Cache-Control, ETag, Last-Modified, Expires
CORS: Access-Control-Allow-Origin, Access-Control-Allow-Methods, Access-Control-Allow-Headers
Content: Content-Type, Content-Length, Content-Encoding

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❓ Frequently Asked Questions

What are HTTP headers?

HTTP headers are key-value pairs sent between clients and servers during HTTP requests and responses. They carry metadata about content type, caching, security, and more.

What is Content-Type header?

Content-Type specifies the media type of the resource (e.g., application/json, text/html). It tells the browser how to interpret the response body.

What is Cache-Control?

Cache-Control directs caching behavior. Common values include max-age (seconds to cache), no-cache (revalidate), and no-store (don't cache).

What security headers should I use?

Essential security headers include X-Frame-Options, Content-Security-Policy, Strict-Transport-Security (HSTS), and X-Content-Type-Options.

What is X-Frame-Options?

X-Frame-Options prevents clickjacking by controlling whether the page can be embedded in iframes. Values are DENY, SAMEORIGIN, or ALLOW-FROM.