HTTP headers
SSL / HTTPS checker
Check that your site serves valid HTTPS and redirects HTTP correctly.
Free, non-invasive check in seconds. No signup.
Scan my website for freeTLS encrypts traffic between visitors and your server.
Why it matters
Without HTTPS, browsers show "Not secure" and data can be intercepted.
How to fix
Install a certificate (Let's Encrypt is free) and redirect all HTTP with 301.
FAQ
- Are free certificates safe?
- Yes, encryption is identical to paid ones.
Other free tools
- Free security headers checker
- HSTS checker
- Content-Security-Policy validator
- DMARC, SPF and DKIM checker
- Exposed .env and .git checker
- WordPress security scanner
- Free website security test
- Is this website safe? Free checker
- Is this website legit or a scam?
- Fake online store checker
- Phishing link checker
- Check if a link is safe to open
- Free website vulnerability scanner
- SaaS security checklist for founders
- Website clone checker
- YouTube & TikTok scam video checker
- Security trust badge for your website
- Fake website checker
- Suspicious link checker
- How to check a domain's age
- Where does a short link go?
- Is this video a scam?
- Celebrity deepfake scam videos
- Betting signal bots and VIP groups
- How to report a scam video
- How to find cloned websites of your brand
- Free typosquatting domain checker
- How to take down a fake website
- Brand protection and domain monitoring
- Homograph domain attack checker
- How to report a phishing domain to Google