Free Security Tools

9 tools for web security, DNS recon, and code review - instant, free, no account needed.

Certificate details, TLS version probing, HSTS analysis, A+ grading

Security Headers

Analyze HTTP security headers - CSP, HSTS, X-Frame-Options and more

SPF, DMARC, and DKIM record analysis for any domain

Parse and audit Content-Security-Policy for XSS weaknesses

Query A, AAAA, MX, NS, TXT, CNAME, SOA, CAA records + DNSSEC

Redirect Tracer

Follow the full HTTP redirect chain with status codes and timing

Registrar, creation/expiry dates, nameservers, domain status

Decode and inspect JWT tokens - 100% client-side, never sent to server

Cookie Analyzer

Inspect Secure, HttpOnly, SameSite flags and CSRF/XSS risks

About these tools

All tools are free to use with no account required. They are designed for security professionals, developers, and system administrators who need fast, reliable web security checks. Results are never stored or logged.

Need a full security audit?

Sign up for Shieldome Scan for scheduled scans, OWASP Top 10 checks, PDF reports, Jira integration, and continuous monitoring.