Review of HTTPSChecker powered by the Slant community.
Identify HTTPS Mixed Content Issues In Real-Time.
Check your website content works with HTTPS to keep data private, unmodified and trusted by visitors.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Also checks for Chrome's new "Not Secure" warnings on password & credit card forms
Pro Can also check for common SSL issues
Such as certificate validity
Pro Simple to use desktop GUI
Available for Mac, Windows & Linux/Ubuntu