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.

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.

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.

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

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 corporation called the …

Mar 26, 2025 · Signal is a free and open-source application for Android, iOS, and desktop that employs end-to-end encryption to keep communications safe.

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

Dec 19, 2025 · 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, …

May 25, 2023 · Signal is one messaging that has risen to prominence due to its privacy-centric features and encryption. If you're new to the app and don't know where to start, here is a quick guide on how …

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