Millions of people use Signal every day for free and instantaneous communication anywhere in the world. Send and receive high-fidelity messages, participate in HD voice/video calls, and explore a growing set of new features that help you stay connected. Signal's advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you.

Is Signal secure?

Signal is the gold standard for private messaging apps at the moment. It is free and open source. Using end-to-end encryption by default, Signal keeps all forms of communication on the platform as safe as they can be. These include one-on-one chat, voice, and video calls, as well as group chats. Read more.