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 is now developed by Signal Messenger LLC, a software company founded by Moxie Marlinspike and Brian Acton in 2018, which is wholly owned by a tax-exempt nonprofit …

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

Dec 20, 2025 · Signal is an instant messaging app free of charge that offers end-to-end encryption to protect your privacy.

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

How to use Signal and what can you do with the app? In this Signal guide you’ll find everything: how to download and install it, basic features, privacy and security options, tips, and handy …

Jun 20, 2025 · Learn what the Signal app is used for, how secure it is, who owns the private app, and best practices for safe messaging.

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 12, 2025 · In times of uncertainty, people rightly often turn to the encrypted messaging app Signal. Whether it’s to protect sensitive conversations while attending a protest or to keep your …

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