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EFF's software development and technology research projects aim to improve the rights of free expression, security, and privacy on the internet.

  • HTTPS Everywhere is a Firefox extension that makes Firefox use HTTPS to the greatest extent possible
  • The SSL Observatory is a view of the state of HTTPS deployment in the IPv4 address space
  • Switzerland detects violations of network neutrality
  • Panopticlick shows how easy it is to uniquely identify browsers
  • Privacy Badger blocks spying ads and invisible trackers.
  • Write to your representatives with democracy.io

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NSA Spying

EFF is leading the fight against the NSA's illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.

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Imagination is a potent tool in the fight against authoritarianism. Check out our sci-fi anthology, Pwning Tomorrow https://supporters.eff.org/do...

Mar 1 @ 9:54am

EFF has asked the Virginia Supreme Court to review a lawsuit over the state's license plate reader database https://www.eff.org/deeplinks...

Mar 1 @ 9:22am

We are liveblogging today's @HouseJudiciary hearing on Section 702. We expect the open session to begin shortly: https://www.eff.org/deeplinks...

Mar 1 @ 8:05am
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