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 …

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.

Age verification mandates are spreading fast, and they’re ushering in a new age of online surveillance, censorship, and exclusion for everyone—not just young people. Join EFF for a …

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 …

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

Dec 30, 2025 · Throughout 2025, EFF conducted groundbreaking investigations into Flock Safety's automated license plate reader (ALPR) network, revealing a system designed to …

Jun 10, 2025 · You can join EFF, take part in activism, contribute code to our tech projects, learn about digital security, connect with local internet freedom supporters, or simply share the …

While many early battles over the right to communicate freely and privately stemmed from government censorship, today EFF is fighting for users on many other fronts as well.