Smart HTTPS - Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts...
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
SSL Enforcer - SSL Enforcer - Force SSL/TLS encryption for any browser or app. Block all unsecure connections.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
KB SSL Enforcer - This extension enforces encryption for websites that support it as much as currently possible in...
HTTP Headers - HTTP Headers allows you to quickly see the HTTP header information for the current URL.