Cookie Header Parser

Parse, decode, and analyze HTTP Cookie and Set-Cookie headers for web scraping and debugging.

What is this tool?

This tool parses Cookie request headers and Set-Cookie response headers, showing each cookie with its value, attributes, and decoded version. Essential for understanding session management in web scraping.

Parse Cookie Header

Cookies
0 bytes
Total Size

Parsed Cookies

No cookies to display. Paste a Cookie header above.

How to Use

Cookie Request Header

Format: Cookie: name1=value1; name2=value2; name3=value3

This is sent by browsers/clients to servers with each HTTP request.

Set-Cookie Response Header

Format: Set-Cookie: name=value; Path=/; Domain=.example.com; Secure; HttpOnly

This is sent by servers to instruct browsers to store cookies.

Common Attributes
  • Domain: Which domain can access the cookie
  • Path: Which URL path requires the cookie
  • Secure: Only sent over HTTPS
  • HttpOnly: Not accessible via JavaScript
  • SameSite: Cross-site request policy (Strict, Lax, None)
  • Max-Age: Cookie lifetime in seconds
  • Expires: Cookie expiration date