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All Security Tools

20+ free tools to audit, verify, and secure a website — search or filter by category to find what you need.

TECH

Technology Detector

Detect CMS, Framework, CDN, Server & Analytics

SSL

SSL Checker

Check SSL certificate security instantly.

AI

AI Security Report

Get smart security recommendations.

DNS

DNS Scanner

Analyze DNS configuration quickly.

HDR

Security Headers

Find missing protection headers.

WHOIS

WHOIS Lookup

Get domain information.

FAST

Fast Scan

Scan websites in seconds.

MALWARE

Malware & Blacklist Checker

Detect malware, phishing & blacklist status across 70+ vendors.

PORTS

Port Scanner

Find open ports and exposed services on any host.

BREACH

Email Breach Checker

Check if your email was exposed in known data breaches.

PASSWD

Password Strength Checker

Test password strength and estimated crack time, 100% client-side.

SUBDOM

Subdomain Finder

Discover subdomains using certificate transparency logs.

IPREP

IP Reputation Checker

Check IP or domain reputation, ASN and geolocation.

LINKS

Broken Link Checker

Find broken (dead) links on any webpage.

TYPOSQUAT

Phishing & Typosquatting Detector

Find lookalike domains that could impersonate your brand.

CSP

CSP Generator

Build a Content-Security-Policy header to help prevent XSS.

A11Y

Accessibility Checker

Find common a11y issues — missing alt text, headings, form labels.

DMARC

Email Security Checker

Check SPF and DMARC records to prevent email spoofing.

REDIRECT

Redirect Chain Checker

Trace redirect chains and catch loops or excessive hops.

OG

Social Media Preview Checker

See how your link looks when shared on Facebook, WhatsApp, Twitter/X.