Signal’s mission and sole focus is private communication. For years, Signal has kept your messages private, your profile information (like your name and profile photo)
Blog
New long-sleeve shirts and tote bags fresh from the Signal test kitchen: We build Signal for people all over the world. So, of course we
Signal is the world’s most widely used truly private messaging app, and our cryptographic technologies provide extra layers of privacy beyond the Signal app itself.
You should be able to communicate without worrying that every gossip tidbit, meme, or joke you share and who you share it with will get
The Signal Protocol is a set of cryptographic specifications that provides end-to-end encryption for private communications exchanged daily by billions of people around the world.
Signal exists to provide people everywhere with a tool for real private communication. That’s our only goal, and we take it very seriously. We’re structured
The tech industry–its products, conceptual frameworks, linguistic conventions, and cultural norms–is largely centered in the US (and, increasingly, China. But we’re focused here on the
If your favorite way to update your friends about life disappears in 24 hours, we’ve got some happy news for you. Stories are now available
For many years, the Signal app on Android has supported sending and receiving plaintext SMS and MMS messages in addition to Signal messages. SMS and
Signal is currently blocked in Iran. To help people in the country access Signal, we are republishing and revising a post that we originally posted