Nico Amarilla

My personal notes on programming.

Lets Encrypt Certificate Generator

Note: This project is currently in experimental stages. Please report any bugs or suggestions to improve it.

Website Information



The domain provided will be the subject CN of the certificate.


Leave this blank if you dont have sub-domains.

Domain Ownership

At this point we need to prove that its your domain. To do so, you will need to:

  • Generate a file called "certer.php"
  • Upload it into your site's web root.
  • Verify that "certer.php" is working.

Get Certificate

Provide an email to receive your certificate.


This will also serve as your identifier.