Decoder.link SSL Checker

An online SSL checker that validates a server's certificate installation, with SNI and STARTTLS support.

FreeProprietaryWeb

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About Decoder.link SSL Checker

Decoder.link SSL Checker connects to a hostname and port that you supply and reports whether the certificate is installed correctly. It supports SNI and STARTTLS, so it can check mail servers as well as web servers.

The site includes related tools: an SSL and CSR decoder, a CSR generator, a certificate format converter, an OCSP checker, key and CA matchers, a CT log tool, a bulk SSL checker and an alternative DCV checker. It links to Namecheap.

Strengths

  • Checks any port, with SNI and STARTTLS support
  • Many related certificate tools on the same site
  • Bulk checker for several hosts

Limitations

  • Focused on certificate installation rather than a full cipher audit
  • Tied to a certificate seller's site

Details

Pricing
FreeFree to use in the browser.
License
Proprietary
Developer
Namecheap
Platforms
Web
How it runs
Web application
Works offline
No
Best suited for
Checking certificate installation on web and mail servers
Categories
Website testing
Last verified
Added
Provenance
Selected from the TechWalrus Resource Hub (Website Checkers & Audit Tools); facts checked against the developer's own pages, 2 sources on file.

Report a wrong fact or a dead link on this listing