The Certificate Decoder helps you read and understand digital certificates.
It shows what’s inside an SSL or X.509 certificate in a simple way.
You can use it to check details before installing or renewing a certificate.
The tool works instantly and doesn’t need any setup.
A digital certificate contains important information about a website or organization.
It includes the domain name, issuer, serial number, and expiration date.
It also has the public key and the certificate’s signature.
These details prove that the site is secure and trusted.
The Certificate Decoder breaks down this data into clear sections.
It shows each field so you can see who issued the certificate and who owns it.
You can check if the certificate has expired or if it’s still valid.
It also helps confirm that the certificate hasn’t been changed or faked.
You can use this tool to decode any SSL, PEM, DER, or CER file.
Just paste the certificate text or upload the file to see the result.
The decoded data appears right away in an easy-to-read format.
You can review every part before using the certificate on your website.
This tool is useful for web developers, security experts, and website owners.
It saves time by helping you find errors before setup.
It also makes it easier to understand how SSL certificates work.
Using it helps keep your website safe and your visitors protected.