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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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EFF is on @CREDOMobile's January ballot! Your votes help us get more of the $150K+ donation pool. https://www.credodonations.co...

Jan 23 @ 5:22pm

Trump's nominee for Attorney General, Sen. Jeff Sessions, wants the government to be able to "overcome" encryption: https://www.eff.org/deeplinks...

Jan 23 @ 4:47pm

EFF lays down five simple ways in which America's future trade agreements could avoid the mistakes of the TPP https://www.eff.org/deeplinks...

Jan 23 @ 4:24pm
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