Cookie header parser

Paste a Cookie or Set-Cookie header — get every name, value, and attribute in a readable table.

Paste a Cookie request header or Set-Cookie response lines — see every pair and attribute.

Cookie (request)Set-Cookie (response)

Header text

Everything runs in this browser. Pasted cookies are never sent anywhere.

How to use

Paste the raw Cookie: or Set-Cookie: header.
Read the parsed table.
Copy decoded values if needed.

What it supports

Cookie: name=value pairs and Set-Cookie attributes (Expires, Max-Age, Domain, Path, Secure, HttpOnly, SameSite) up to 200 KB. Values are shown raw and URL-decoded.

Related tools

HTTP header reference
URL query parameter editor
JWT decoder

Related guides

Read a Cookie or Set-Cookie header