Speak Freely
Signal is a different kind of messaging experience. Privacy by default, combined with all the features you expect. Free. Open source. No ads. No trackers.
Signal is a different kind of messaging experience. Privacy by default, combined with all the features you expect. Free. Open source. No ads. No trackers.
Simple, powerful, and secure messaging for everyone.
State-of-the-art encryption powered by the open source Signal Protocol. We can't read your messages or listen to your calls — and neither can anyone else.
Share text, voice messages, photos, videos, GIFs and files for free. Signal uses your data connection so you avoid SMS and MMS fees.
Crystal-clear encrypted voice and video calls to people across town or across the ocean. Group calls supported.
Stay connected with group chats for family, friends and coworkers. Admin controls and disappearing messages available.
There are no ads, no affiliate marketers, and no creepy tracking in Signal. Focus on the people who matter.
Signal is an independent 501(c)(3) nonprofit. Supported by users, not advertisers or investors. Free for everyone.
Yes. Signal is completely free. There are no ads, no premium tiers, and no hidden costs. It is supported by donations as an independent nonprofit.
Yes. All Signal-to-Signal communication is end-to-end encrypted by default using the open source Signal Protocol. Signal cannot read your messages or listen to your calls.
Signal is available for Android, iOS, Windows, macOS and Linux. Desktop apps link to your mobile device.
Yes. Signal requires a phone number to register. Your number is used for account setup and is not shared as a public identity.
Yes. The Signal client apps and the Signal Protocol are open source. Anyone can review the code for security and privacy.