Download Signal for Android, iOS, Linux, macOS, and Windows.

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your chats and calls completely private.

Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.

Signal is the successor of the RedPhone encrypted voice calling app and the TextSecure encrypted texting program.

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.

Mar 26, 2025 · Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

Mar 20, 2026 · The FBI warned that Russian intelligence-linked hackers are targeting Signal users, including U.S. officials and journalists, compromising thousands of accounts.

Signal Messenger User Guide Learn how to download Signal, explore its basic features, and make the most of its privacy tools and helpful tips.

To use the Signal desktop app, Signal must first be installed on your phone.

State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either.