HTTP
Cookie Analyzer
Parse Set-Cookie headers. Check HttpOnly, Secure, SameSite. Find security issues.
One cookie per line. Prefix with "Set-Cookie:" or paste raw.
How to use
- Enter a domain, URL, or value relevant to Cookie Analyzer.
- Run the check and review the output carefully.
- Apply recommended fixes, then run the check again to verify.
Common use cases
- Pre-deployment validation for Cookie Analyzer.
- Incident triage when security checks fail in production.
- Periodic security review as part of technical SEO and hardening.
Example inputs
session=abc; Path=/; HttpOnly; Secure; SameSite=StrictCommon issues and fixes
Missing HttpOnly
Session cookies without HttpOnly can be stolen via XSS. Add HttpOnly to sensitive cookies.
Missing Secure
Cookies without Secure flag are sent over HTTP. Always set Secure on HTTPS sites.
SameSite=None without Secure
SameSite=None requires Secure. Browsers will reject the cookie otherwise.
Recommended remediation
Add HttpOnly and Secure to all session cookies. Use SameSite=Strict or Lax. For cross-site cookies use SameSite=None with Secure.
FAQ
Is Cookie Analyzer free to use?
Yes. This tool is free and can be used without account registration.
Do you store submitted values?
Only the minimum processing needed for the check. For client-side tools, data stays in your browser.
How should I use these results?
Use the output as a diagnostic baseline, apply fixes in your stack, then re-run the check to confirm remediation.
Related security tools
HTTP Header Analyzer
Analyze HTTP response headers and check security headers like CSP, HSTS, X-Frame-Options.
Clickjacking Checker
Check X-Frame-Options and CSP frame-ancestors. Detect clickjacking vulnerability.
CSP Checker
Check Content-Security-Policy. Parse directives, detect unsafe-inline, unsafe-eval.
Security Headers Grade
Get A+ to F grade for HTTP security headers. Like SecurityHeaders.com.