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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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In Portland, Oregon? Come meet EFF staffers @amullionaire and @j4cob for a panel discussion TONIGHT

Sign up here: https://www.meetup.com/Portla...

Mar 26 @ 3:04pm

Join @the_zeroth_law, @doctorow, @dane, and David Segal for an AMA on the FCC's privacy rules, Monday at 9am PDT. https://www.reddit.com/r/IAmA...

Mar 25 @ 6:31pm

EFF brings lessons from its comprehensive Surveillance Self-Defense guide to the San Francisco Public Library. https://www.eff.org/deeplinks...

Mar 25 @ 1:26pm
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