Parse Set-Cookie flags for Secure, HttpOnly, and SameSite on a live URL response.
- Free
- No signup
- Fast
- Privacy-friendly
What next?
Keep going with Cookie Security Analyzer
Finish this check in the browser, then pick the path that matches how you work — another related tool, REST for apps, or MCP for agents.
- 1. Related check
After this result, run Security headers analyzer for the next signal.
Security headers analyzer - 2. Automate with API
Same job from your server with
Create free accountX-Api-Key. Free tier includes 500 credits/month. - 3. Hand off to an agent
Connect Cursor or Claude to ToolYour MCP — plan → run → verify.
MCP setup
What is Cookie Security Analyzer?
Session cookies without Secure, HttpOnly, or SameSite leak risk on cross-site and XSS paths. Cookie Security Analyzer fetches a URL and parses Set-Cookie headers for those flags. Agents include this in web-security-audit playbooks, then verify until remaining cookie findings clear — see <a href="/developers/security-audit">security audit</a>.
What are common questions about Cookie Security Analyzer?
Does this read cookie values from my browser?
No. It only inspects Set-Cookie headers returned when our servers fetch the URL you provide.
Why are there zero cookies?
Many marketing homepages set none. Analyze an authenticated or app endpoint that issues a session cookie.
What are the key features of Cookie Security Analyzer?
Secure / HttpOnly / SameSite
Per-cookie issues list with pass/warn/fail severity.
How do you use Cookie Security Analyzer?
Pick a URL that sets cookies
Prefer login or app routes over a static landing page.
Fix missing flags
Add Secure on HTTPS, HttpOnly for session tokens, and an explicit SameSite.
Related checks
Combine with security headers and TLS tools. Mixed content issues remain under /digital-tools/mixed-content-checker.
Free · API · MCPToolYour platform
Use Cookie Security Analyzer three ways
The free Cookie Security Analyzer on this page works in your browser. The same workflow is available via REST API for apps and via the remote MCP server for Cursor, Claude, and other agents — one API key, one plan, one quota. This tool is part of the security-apis module under Security Tools.
- 1Create a free accountGet an API key for REST and MCP — 500 credits/month on the free tier.
- 2Connect or callPaste the MCP URL into Cursor/Claude, or call REST with
X-Api-Key. - 3Same key & creditsBrowser smoke-checks stay free; API-backed runs share one monthly credit quota.
- Free in browserUse Cookie Security Analyzer here — no account required.
- REST APICall from your server with
X-Api-Key. - Remote MCP serverSame job from Cursor or Claude via the ToolYour remote MCP server — one API key with REST.
Which web-hardening tools sit in this cluster?
- Security headers analyzer
Live CSP, HSTS, XFO, and related headers.
- CSP policy evaluator
Author and sanity-check CSP text offline.
- CORS policy checker
ACAO wildcards and Origin reflection.
- Subresource integrity checker
Missing integrity= on third-party assets.
- security.txt checker
RFC 9116 disclosure file presence.
Where does this job fit on ToolYour?
Which SEO or privacy tools pair with this security check?
Where do you browse more security tools tools?
- Security Tools tools
Browse the full Security Tools category on ToolYour.
- Developer Tools tools
Format JSON, encode Base64/URL, mint UUIDs, convert timestamps, and test regex in the browser. REST and MCP sh
- Marketing Tools tools
Build UTM links, check ads copy limits, QA email subjects, and calculate ROAS/CPC/CTR — free in the browser; R
Which toolkits include Cookie Security Analyzer?
- Security Toolkit
HTTP security headers, TLS, cookies, CORS, redirects, DNS, secrets, JWT, passwords, hashes, HMAC, bcrypt, security.txt, SRI, and email auth — plus agent playbooks for full audits and ship gates.
- Developer Toolkit
JSON/XML/SQL formatters, encoders, UUID/timestamp/regex, JSON codegen, JWT minting, HTTP headers, request builders, cron, minifiers, and color conversion — plus security and text peers.