HTTPS Everywhere is a Firefox and Chrome extension that encrypts your communications with many major websites, making your browsing more secure.
Encrypt the web: Install HTTPS Everywhere today.

HTTPS Everywhere is a produced as a collaboration between The Tor Project and the Electronic Frontier Foundation. Many sites on the web offer some limited support for encryption over HTTPS, but make it difficult to use. For instance, they may default to unencrypted HTTP, or fill encrypted pages with links that go back to the unencrypted site. The HTTPS Everywhere extension fixes these problems by rewriting all requests to these sites to HTTPS.

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Recent Releases

• Stable releases for Firefox:
  • https-everywhere-2.0.1.xpi
  • https-everywhere-1.2.2.xpi
• Development releases for Firefox:
  • https-everywhere-3.0development.1.xpi
  • https-everywhere-2.0development.6.xpi
• Development releases for Chrome and Chromium!:
  • https-everywhere-2012.3.14.crx ("pi day" beta)
  • https-everywhere-2012.2.27.crx (beta)
  • https-everywhere-2012.2.9.crx (alpha)
• Changelog.txt

FAQ

Creating HTTPS Everywhere Rulesets

Hack On The Code

How to Deploy HTTPS Correctly

https://www.eff.org/https-everywhere