Free Security Tools
35+ free online security testing tools available on Barrion.
Barrion offers 35+ free, standalone security testing tools that let you check specific aspects of your web application's security posture. Each tool runs a focused test and returns results immediately -- no account or login required.
These tools are useful for quick spot-checks, debugging specific configurations, or verifying a fix before running a full scan.
Each tool tests a single security aspect. For broader coverage, run a full passive scan from the dashboard (18 checks on the Free plan, 35+ on paid plans).
Tool Description HTTPS/HSTS Check Verify HTTPS enforcement and HTTP Strict Transport Security configuration TLS Test Analyze supported TLS protocol versions and identify deprecated versions Certificate Expiry Check Check SSL certificate validity dates and expiration status Cipher Suite Analysis Evaluate cipher suite strength and identify weak or deprecated ciphers
Tool Description Security Headers Test Check for all recommended HTTP security headers in a single test Referrer Policy Check Verify Referrer-Policy header configuration Permissions Policy Check Analyze Permissions-Policy (formerly Feature-Policy) header settings X-Content-Type-Options Check Verify the X-Content-Type-Options header prevents MIME-type sniffing
Tool Description CSP Checker Analyze Content Security Policy directives for misconfigurations and bypasses Mixed Content Check Detect HTTP resources loaded on HTTPS pages XSS Protection Check Evaluate cross-site scripting mitigations and header configuration Clickjacking Test Test frame embedding protections (X-Frame-Options and CSP frame-ancestors)
Tool Description CORS Checker Analyze Cross-Origin Resource Sharing configuration for overly permissive rules Cookie Security Check Evaluate Secure, HttpOnly, and SameSite attributes on cookies CSRF Protection Check Verify cross-site request forgery mitigations
Tool Description Email Security Scan Combined SPF, DKIM, and DMARC analysis in a single test
Tool Description DNS Security Check Analyze DNS configuration for security issues CAA Records Check Verify Certificate Authority Authorization DNS records Open Ports Scan Detect commonly targeted open ports on your server Subdomain Takeover Check Identify dangling DNS records vulnerable to subdomain takeover
Tool Description Website Security Scan Broad security assessment covering multiple categories Security Audit Full audit of security configuration and best practices Vulnerability Scanner Scan for known vulnerability patterns and misconfigurations WAF Checker Check the security headers and response signals in front of your app (there is no dedicated WAF fingerprinting)
Free Tools Full Scan Account required No No (guest) / Yes (authenticated) Checks run 1 per tool 18 (Free) or 35+ (paid) Multi-page crawl No Yes (3--200 pages) Security score No Yes Remediation guidance Basic Detailed with AI recommendations Result history Not saved Saved to dashboard Monitoring & scheduling No Yes (Essential/Business)
Free tools are best for quick, targeted checks. Full scans provide a holistic security assessment with scoring, history, and remediation support.