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

Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls. [14][15] The instant messaging function includes sending text, voice notes, …

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

Dec 2, 2025 · 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.

3 days ago · The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk …

Signal for Mobile Android iPhone or iPad Or visit signal.org/install from 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 …

Signal users can send private messages and make secure calls to other Signal users anywhere in the world for free over the internet. All Signal-to-Signal communication is private and end-to …

Understand the basics of Signal on Android, iOS, and Desktop.

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