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

Dec 19, 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.

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

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.

Understand the basics of Signal on Android, iOS, and Desktop. Explore rich features of private messaging. This section contains common questions regarding safety and reliability of the …

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-end encrypted.

How do I ensure Signal is up to date? How do I know my communication is private?

In The Signal by William Powell Frith, a woman sends a signal by waving a white handkerchief. A signal is both the process and the result of transmission of data over some media accomplished by …

Apr 25, 2023 · Signal Private Messenger is available for free worldwide for both iOS and Android and allows its millions of users to send texts, videos, and files, make voice and video calls, and shield your...

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.