SSL Checker - Check SSL Certificate Online

Check SSL certificate and expiration date

💡 Note: Tool uses SSL Labs API. The first test may take 1-2 minutes to analyze. SSL should be renewed 30 days in advance to avoid service interruption.

SSL Certificate Checker Online Free - Check SSL Certificates for Free

Tan Phat Digital's free online SSL certificate checking tool helps you check the SSL certificate status of any website quickly and accurately. Display full information: valid/invalid status, issuer, start date and expiration date, number of days left before expiration, supported protocols (TLS 1.2, TLS 1.3). Use SSL Labs API for detailed analysis and security grade assessment. Visual warning when SSL is about to expire (less than 30 days) so you can promptly renew. The tool is completely free, no registration required, instant use.

Outstanding features

Check SSL certificate of any domain with just one click
Display SSL status: valid, about to expire, invalid
Accurately count the number of days remaining before SSL expires
Display certificate issuer: Let
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Why is it necessary to check SSL certificates regularly?

SSL certificate is the most important security element of a website, directly affecting customer trust and SEO rankings. When SSL expires, the browser will display a warning

Benefits when used

  • •Early detection of SSL expiry to promptly renew, avoiding downtime
  • •Protect website reputation - don't let customers see warnings
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Detailed instructions for checking SSL certificate

  1. 1Enter the domain you want to check in the input box (for example: example.com or https://example.com)
  2. 2Press Enter or click the search button to start checking
  3. 3Wait 1-2 minutes for SSL Labs API to analyze (first time checking new domain)
  4. 4View SSL status results: green = valid, yellow = about to expire, red = invalid
  5. 5Check the number of days remaining - if less than 30 days, you should renew immediately
  6. 6View certificate details: issuer, validity date, supported protocols
  7. 7If SSL has problems, contact your hosting provider or SSL provider to handle

Cooperate immediately with Mavis Digital

We not only design websites, but also help businesses build strong digital brands. Providing comprehensive website design services from design to SEO optimization. Please contact Mavis Digital immediately to create breakthrough, effective and sustainable technology solutions for your business in Ho Chi Minh.

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