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Cookie & Header Inspector

Parse and inspect Set-Cookie headers, SameSite attributes, and security flags.

Crypto & Certs
Privacy: 100% Client-Side. Your data never leaves this browser tab. Processing uses Web APIs and client-side libraries only.

Paste a Set-Cookie header or document.cookie snippet.

session= abc123
path
/
domain
.example.com
httponly
true
secure
true
samesite
Lax
max-age
3600
expires in
1h 0m 0s (2026-07-22T02:47:14.686Z)
theme= dark
path
/
samesite
Strict
max-age
86400
expires in
1d 0h 0m (2026-07-23T01:47:14.686Z)
  • ⚠ Missing Secure flag
  • ⚠ Missing HttpOnly (readable by JS)

What is Cookie & Header Inspector?

Cookie & Header Inspector is part of the stbox.dev developer sandbox. Parse and inspect Set-Cookie headers, SameSite attributes, and security flags.

It sits in the Crypto & Certs category and is designed for day-to-day debugging, demos, and learning — without forcing you to paste secrets into opaque third-party SaaS forms whenever client-side execution is enough.

How to use this tool

  1. Open Cookie & Header Inspector at https://stbox.dev/cookie-inspector and review the privacy badge for runtime expectations.
  2. Paste or configure your input in the tool interface (tokens, URLs, files, or text depending on the utility).
  3. Copy results locally, or chain them into related stbox tools such as JWT, OAuth, or the REST client.

Frequently asked questions

Is my data sent to a server?

Cookie & Header Inspector runs 100% in your browser. Inputs stay on your device and are not logged or stored by stbox servers.

Is stbox free to use?

Yes. Tools are provided as-is for testing and debugging with no account required for core utilities.

Can I use this for production secrets?

Prefer dedicated KMS/HSM workflows for production key material. stbox is optimized for local debugging and education.