Latest, 19 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 19 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About SSL Checker
Here are descriptions you can use for the Chrome Web Store listing:
π Short Description (under 132 chars β for store summary)
π Instantly check SSL certificate validity, issuer, expiry & encryption details for any HTTPS website β fast, free & secure! β
π Detailed Description (full listing)
π SSL Checker β Your Quick HTTPS Security Inspector π‘οΈ
Want to know if a website's SSL certificate is valid, trustworthy, and not about to expire? SSL Checker gives you instant, detailed insights into any HTTPS site's security β right from your browser toolbar! β‘
β¨ What It Does
π Check Any Domain β Type in any URL or use the current tab to inspect its SSL certificate in seconds.
β Validity Status β Instantly see whether the certificate is valid, expired, or untrusted.
π Expiry Countdown β See exactly how many days remain before the certificate expires β never get caught off guard again!
π‘οΈ Issuer Details β Find out who issued the certificate (Let's Encrypt, DigiCert, GoDaddy, etc.) and the issuing organization.
π Protocol & Cipher Info β View the TLS protocol version and cipher suite used to secure the connection.
π Valid From / Valid Until β Full date range of certificate validity at a glance.
π― Who Is It For?
π¨βπ» Developers β Verify SSL setup on staging and production sites.
π Security Researchers β Audit certificate chains and expiry dates quickly.
π Online Shoppers β Confirm the site you're buying from is properly secured before entering payment info.
π’ Site Owners β Monitor your own domains so renewals never slip through the cracks.
π§βπ Curious Users β Learn what's behind that little padlock icon! πβ‘οΈπ
π Why You'll Love It
β‘ Lightning Fast β Results in under a second.
π¨ Clean, Modern UI β Beautiful card-based layout, easy to read at a glance.
π 100% Free β No subscriptions, no ads, no hidden fees.
π Privacy-Friendly β Only queries the public SSL info of the domain you ask about.
π« No Account Needed β Just install and go!
π How To Use
1οΈβ£ Click the SSL Checker icon in your toolbar.
2οΈβ£ Enter any HTTPS domain (e.g., example.com).
3οΈβ£ Get full SSL details instantly! π
π§ Permissions Explained
π Tabs β To detect the current website's URL for one-click checking.
π networkcalc.com β Used as the SSL lookup API to fetch certificate details.
π Stay safe online. Verify before you trust. π‘οΈ
π Install SSL Checker today and surf with confidence! β‘β¨