HTTPS Everywhere is an extension that encrypts your communications with many major websites, making your browsing more secure. It is a free and open source web browser extension for Google Chrome, Mozilla Firefox and Opera, created by a collaboration by The Tor Project and the Electronic Frontier Foundation (EFF). It automatically makes websites use the more secure HTTPS connection instead of HTTP, if they support it.
The code in part is based on NoScript’s HTTP Strict Transport Security implementation, but HTTPS Everywhere is intended to be simpler to use than NoScript. The EFF provides information for users on how to add HTTPS rulesets to HTTPS Everywhere, and information on which websites support HTTPS.
You can find the FREE HTTPS Everywhere extension for your web browser(s) at https://www.eff.org/https-everywhere/development.