Cookie Parser — Parse HTTP Cookie Strings
Parse raw `Set-Cookie` or `Cookie` header values into a structured view so you can inspect cookie names, values, attributes, and common security flags such as `Secure`, `HttpOnly`, and `SameSite`.
Best for
Header review
Modes
Request or response
Output
Flags and warnings
Cookie workspace
Choose the header style you are inspecting, then paste one line per cookie or request header.
Inspection summary
See at a glance how many cookies use the common safety flags and where warnings show up.
Frequently Asked Questions
Related Tools
JWT Decoder — Inspect JSON Web Tokens
Decode and inspect JWT tokens — view header, payload, expiration, and claims without a private key.
User-Agent Parser — Browser & OS Detector
Parse user-agent strings to identify browser family, version, operating system, device class, rendering engine, CPU architecture, and likely bot labels.