About CertAvert

CertAvert is a small, independent service that watches your SSL/TLS certificates and emails you before they expire or break.

How it started

CertAvert began as a hobby project by someone who works in IT infrastructure, to keep an eye on a handful of certificates. Most certificates renew automatically, but when a renewal fails it usually fails quietly, and the first sign is often an error in a visitor’s browser. Checking from the outside, the way a visitor’s browser connects, catches that.

It kept growing: any port, certificate chain checks, the names on each certificate, TLS versions, DNS and domain registration dates, alerts for a whole team. At some point it was useful enough to open to everyone, and that is what CertAvert is today.

What it does

• Checks your certificates from the public internet twice a day, with nothing to install on your servers.
• Emails you before a certificate expires, and on paid plans when a problem shows up (an untrusted certificate, a broken chain, an unreachable host).
• Offers free tools for a one-off check, no account needed.

It doesn’t monitor uptime or page content, and it doesn’t check revocation. It does one job: your certificates.

Who runs it

CertAvert is independent: no investors and no outside owners. The paid plans pay for running it. It is operated by ILIEV CONSULTING LLC (USA), and payments are handled by Paddle.com, our Merchant of Record.

Contact

Questions, ideas or problems: email support@certavert.com. A person reads every message.