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.

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

Signal is the successor of the RedPhone encrypted voice calling app and the TextSecure encrypted texting program.

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 …

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

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.

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 …

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

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.