Picture this – Use the built-in image editing features to sketch, crop, and flip your outgoing photos.Simon & Garfunkel wrote a hit song about it in 1964, and you can experience the sound of silence whenever you want by choosing “None” as your notification ringtone. Sound familiar – Choose custom alerts for each contact, or disable noises completely.Whisper in the shadows – Switch to the dark theme if you refuse to see the light.Speak up – Whether they live across town or across the ocean, Signal’s enhanced audio and video quality will make your friends and family feel closer.Be yourself – You can use your existing phone number and address book to securely communicate with your friends.Development is supported by users like you. Feel free – Signal is a completely independent 501c3 nonprofit.Signal is optimized to operate in the most constrained environment possible. Go fast – Messages are delivered quickly and reliably, even on slow networks.Privacy isn’t an optional mode - it’s just the way that Signal works. Say anything – State-of-the-art end-to-end encryption (powered by the open source Signal Protocol™) keeps your conversations secure.

Signal’s advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you.

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. Millions of people use Signal every day for free and instantaneous communication anywhere in the world.

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