Encrypt the web! HTTPS Everywhere is a extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it.
Firefox 5.2.4 / Chrome 2016.9.1 * Ruleset fixes * Chrome Dev: Possible fix to "Extension Corrupted" errors * Firefox Android: Fixing numerous issues with UI and functionality * Firefox: Expanding SSL Observatory popup window
https://www.eff.org/files/https-everywhere-5.2.4-eff.xpi