Certify SSL Manager manage free https certificates for IIS

News: V4.0 released: wildcard domain support, DNS validation plus lots more Read More..

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

Summary Screenshot

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

The app is free for a limited number of managed certificates per server. If you want to manage many certificates (or you just want to support development) you can purchase an upgrade key.

Certify SSL Manager is used by more than 70,000 people and organisations around the world, including:


Version 4.0.10

Latest stable release
Download 4.0.10

Minimum Requirements: Windows Server 2008 R2 SP1 (64-bit) or higher with .Net 4.6.2 or higher.

Digitally Signed as Publisher 'Webprofusion Pty Ltd'

File SHA256 as generated by certutil -hashfile SHA256: a1923298b25f06c88991cebb79f2f3b546c10b120cc3e113115642b698b40241

V4.0.10: Released 2018/10/11
  • Important: Fix issue with binding not being updated to latest certificate (bug from v4.0.9)
V4.0.9: Released 2018/10/09
  • Fix wildcard domain binding matches
  • Improve Azure DNS API provider
  • Implement retries for IIS simultaneous binding updates

Please backup your c:\programdata\certify\ folder before updating between major versions.

(no current beta)

Latest beta release
There is no current beta release.


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.

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