Certify SSL Manager manage free https certificates for IIS

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/Windows servers. 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 4.1.6

Latest stable release
Download 4.1.6

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: bfe064e582273df27dcd40acaaf5a573716606b1e87caecfa816c4b6b099c914

V4.1.6: Released 2019/03/23
  • Fix: CLI CSV Import - reject invalid SiteId, update cert diagnostics
  • Fix: Avoid exception reading clipboard if copy/pasting from Preview results
  • Fix: Improve exception error message if begin order fails (rate limits etc)
  • Fix: Avoid exception if binding has invalid certificate thumbprint
V4.1.5: Released 2019/02/23
  • New NameCheap DNS provider (courtesy of @impworks)
  • Preserve UI window size/position between launches (courtesy of @PromontoryProtean )
  • Allow custom PowerShell execution policy default via config
  • Fix IIS registry check exception experienced by some users

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


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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