Certify SSL Manager manage free https certificates for IIS

The SSL Certificate Manager for Windows, powered by Let's Encrypt

Easily install and auto-renew free SSL/TLS certificates from letsencrypt.org for your IIS server. Setting up https has never been easier.



Latest stable release
Download 2.1.28

Digitally Signed as Publisher 'Webprofusion Pty Ltd'
File SHA256 as generated by certutil -hashfile SHA256: 2ac1e4d024f6c94beefabac1fa15399f00e2aa3c9a95cbc95b82ad47cbc256b4

View Release History

V2.1.28 : Released 2017/12/03
  • Workaround for private key issue/'Unspecified logon error'
V2.1.27 : Released 2017/11/17
  • Fix license validation check
V2.1.26 : Released 2017/11/17
  • Important Fix issue where cert bindings are not updated if you have specific binding settings (IP, port etc)


Latest beta release
Download (beta) 3.0.0

Digitally Signed as Publisher 'Webprofusion Pty Ltd'
File SHA256 as generated by certutil -hashfile SHA256: 7b41612e0008f390aa5bb16a9ef449023261457b3f7837f2618909b8ae34f581

View Release History

V3.0.0 (beta 1) : Released 2017/11/27

This is a test version and should be used with caution. You should backup your c:\programdata\certify\ folder before proceeding. That said, here are some great new features:

  • New dashboard reporting integration for multi server monitoring and failure notifications
  • Renewal process now runs as a background service
  • Managed sites now scales to many thousands of sites
  • IPV6 binding support
  • Translation updates (new Norwegian translation by Steffen Fridtjofsen)
  • New renewal status information in UI
  • UI updates and fixes
  • Context menu to sort managed sites by name or expiry date (v3.0.1)

Known issues: Dashboard reporting cannot yet be disabled in this version, so all renewals will be reported to the dashboard API unless individually disabled.
You currently cannot choose between renewals via the background service and renewals via a scheduled task, all renewals are via the background service.

Note: The app is free for up to 5 managed sites per server. If you want to manage more than 5 sites (or you just want to support development) you can purchase an upgrade key.


This software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.

Got feedback?
Email Us or file issues on GitHub

Note: Our app is Open Source (https://github.com/webprofusion/certify) and uses the cool ACMESharp PowerShell project by Eugene Bekker and ACMESharp contributors which is licensed under MPL 2.0