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.

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 …

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.

Dec 2, 2025 · Instead of accepting life in a fishbowl, use Signal to keep your communication private and secure. The free, open-source app protects your calls, messages, and video chats from prying eyes …

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.

Apr 21, 2025 · Signal uses end-to-end encryption to protect your messages and calls, which means that only your intended recipient can read your messages and receive your calls. That way a third-party or...

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...

The Pentagon’s acting inspector general has announced that he will review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike against Houthi …

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