EFF defends your privacy and free expression because technology should serve all people, not just the powerful. We’re a nonprofit powered by members, and we need you in this fight.

Founded in 1990, EFF champions user privacy, free expression, and innovation through impact litigation, policy analysis, grassroots activism, and technology development. EFF's mission is …

EFF’s team of technologists and computer scientists engineers solutions to the problems of sneaky tracking, inconsistent encryption, and more. Where users face threats to their privacy …

EFF fights in the courts and Congress to maintain your privacy rights in the digital world, and works with partners around the globe to support the development of privacy-protecting …

We’re Doubling Down on Digital Rights. You Can, Too. Technology can uplift democracy, or it can be an authoritarian weapon. EFF is making sure it stays on the side of freedom and you can …

Surveillance Self-Defense is EFF's online guide to defending yourself and your friends from surveillance by using secure technology and developing careful practices.

Give to EFF online or by postal mail. Make checks or money orders payable to "EFF" and send to the Electronic Frontier Foundation at 815 Eddy Street, San Francisco, CA 94109 USA.

Both the law and technology must enhance people’s ability to speak. That’s why EFF fights to protect free speech - because everyone has the right to share ideas and experiences safely, …

Jun 10, 2025 · EFF was born, and we’ve been fighting for you ever since. We’ve won many of those fights for encryption, free speech, innovation, and privacy in too many battles to count.

Join EFF's Action Center to advocate for digital rights, fight surveillance, and support free speech and innovation through impactful actions.