Free Website Security Tools
Tools For Webmasters, Developers & Security Professionals
24 free tools to protect and analyze your website. Check security issues, validate configurations, scan SEO, and test server settings. No signup needed. Results are instant.
Website Security Tools
SSL Checker
Check any website’s SSL certificate validity, issuer, expiry date, HTTPS status, and A+ to F security grade with clear certificate details.
HTTP and Security Headers Checker
View all raw HTTP response headers and get an instant security audit with an A+ to F grade, plus actionable fix recommendations."
Open Port Checker
Check if ports are open on any server, spot security risks, and verify your firewall rules are working correctly.
WordPress Security Scanner
Scan WordPress websites for common security issues and vulnerabilities.
TLS Version Checker
Check supported TLS versions and verify secure protocol configuration.
Password Strength Test
Test password strength and receive security improvement recommendations.
Network & Domain Tools
DNS Lookup
Look up DNS records including A, MX, TXT, NS, and CNAME.
WHOIS Lookup
Find domain registration details, registrar, nameservers, and expiry date.
Reverse DNS Lookup
Find the hostname associated with any IP address instantly.
What's My IP Address
Instantly discover your public IP address, location, and ISP details.
IP Reputation Checker
Check if an IP address is blacklisted or has a poor reputation.
Domain Reputation Checker
Check domain reputation and identify blacklist or security risks.
Website Diagnostic Tools
robots.txt Analyzer
Analyze robots.txt files and detect crawling or indexing issues.
Sitemap Validator
Validate XML sitemaps and identify formatting or indexing errors.
Redirect Checker
Check URL redirects and view complete redirect chains instantly.
HTTP Status Checker
Check HTTP status codes and verify website response instantly.
Broken Link Checker
Find broken links and 404 errors on your website.
Meta Tag Analyzer
Check meta titles, descriptions, Open Graph tags, and Twitter cards.
Server & Email Security Tools
.htaccess Validator
Validate Apache .htaccess files and detect configuration errors.
CSP Validator
Validate Content Security Policy headers and improve website security.
SPF Checker
Verify SPF records and improve email authentication and delivery.
DKIM Checker
Check DKIM records and validate email authentication settings.
DMARC Checker
Verify DMARC records and strengthen email domain protection.
Email Header Analyzer
Analyze email headers to trace delivery paths and detect spoofing.
Why Choose AntiSpywares.net?
These tools help webmasters, developers, and security pros keep their websites secure. Check for security problems, fix server issues, improve SEO, or validate your code.
All tools run in your browser and give you detailed reports. They show what is wrong and how to fix it. No software to install. No account needed.