Online Cookie Inspector

Inspect Set-Cookie security attributes

Review response cookies for Secure, HttpOnly, SameSite, Domain, Path, Max-Age, Expires, Partitioned, and prefix requirements. The inspector also flags common configuration risks such as SameSite=None without Secure.

Paste one Set-Cookie header per line and select Inspect Cookie. Analysis is local and informational. To parse a request header into JSON, open the Cookie Parser.