Free tool · No sign-up
SSL Checker
Verify an SSL certificate: issuer, expiry date, covered domains and chain.
- Results in seconds
- 100% free, no account
- Plain-English explanations
- Shareable result link
Running the checks…
This usually takes a few seconds.
What this tool checks
- Who issued the certificate and when it expires
- Which domain names it covers
- Whether browsers trust it, the TLS version and the full chain
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