An SSL certificate fingerprint (also called a thumbprint) is a unique string of characters that identifies a certificate. It’s often used to verify that the certificate installed on your server matches the one issued by the Certificate Authority (CA).
Why Check Fingerprints?
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Confirm authenticity of an SSL certificate.
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Detect tampering or replacement of certificates.
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Troubleshoot SSL connection issues.
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Verify certificates during manual installations.
How to Find Fingerprints in Popular Browsers
Google Chrome
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At the left side of the browser’s address bar, click the padlock icon.
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Click Connection is secure.
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Click Certificate is valid.
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On the General tab, the fingerprints appear.
Mozilla Firefox
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At the left side of the browser’s address bar, click the padlock icon.
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Click Connection secure.
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Click More Information.
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Click View Certificate.
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Scroll down to the Fingerprints section.
Microsoft Edge
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At the left side of the browser’s address bar, click the padlock icon.
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Click Connection is secure.
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In the pop‑up dialog box, click the Show certificate icon.
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On the General tab, the fingerprints appear.
Notes
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