Picture this – Use the builtin 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 – Stateoftheart endtoend encryption (powered by the open source Signal Protocol™) keeps your conversations secure.

Signal’s advanced privacypreserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you. Send and receive highfidelity 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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