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, and explore a growing set of new features that help you stay connected. Signalâs advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you.â¢ Say anything â State-of-the-art end-to-end encryption (powered by the open source Signal Protocolâ¢) keeps your conversations secure. Privacy isnât an optional mode â itâs just the way that Signal works. Every message, every call, every time.â¢ Go fast â Messages are delivered quickly and reliably, even on slow networks. Signal is optimized to operate in the most constrained environment possible.â¢ Feel free â Signal is a completely independent 501c3 nonprofit. Development is supported by users like you. No advertisements. No trackers. No kidding.â¢ Be yourself â You can use your existing phone number and address book to securely communicate with your friends.â¢ Speak up â Whether they live across town or across the ocean, Signalâs enhanced audio and video quality will make your friends and family feel closer.â¢ Whisper in the shadows â Switch to the dark theme if you refuse to see the light.â¢ Sound familiar â Choose custom alerts for each contact, or disable noises completely. Simon & Garfunkel wrote a hit song about it in 1964, and you can experience the sound of silence whenever you want by choosing âNoneâ as your notification ringtone.â¢ Picture this â Use the built-in image editing features to sketch, crop, and flip your outgoing photos. Thereâs even a text tool so that you can add more words to the 1,000 that your picture is already worth.For support, questions, or more information, please visit:https://support.signal.orgSource code:https://github.com/signalappFollow us on Twitter (@signalapp) and Instagram (@signal_app) for all of the latest updates and announcements.