If you’ve felt safer sending a message because you sent it on Signal, please support our work. As a nonprofit, Signal exists because of your donations.
In the app: Settings > Donate
On the web: Signal.org/donate
Signal
Signal
signalapp_at_mastodon.world@momostr.pink
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Signal is an end-to-end encrypted messaging app. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time.
Signal is independent and not for profit; a different kind of tech from a different kind of organization.
Homepage: https://signal.org
There are so many ways to donate to Signal, and we're grateful to you for supporting us.
Settings > Donate
Signal.org/donate
Do you depend on Signal? Please donate to keep us growing
Settings > Donate
Signal Messenger
Donate to Signal Private Messenger
Your donation helps pay for the development, servers, and bandwidth of an app used by millions around the world for private and instantaneous commu...
Like many services, as Signal grows, it becomes a more appealing place for scammers to try and cause harm.
We've put together tips to help you protect yourself from phishing, scams, & impersonation attempts. Plus info about how Signal support communicates.
Signal Support
Staying Safe from Phishing, Scams, and Impersonation
We provide a privacy-first, end-to-end encrypted (E2EE) messaging and calling platform designed so only you and your intended recipients can commun...
Rolling out now, the latest iOS update includes the first cool, refreshing wave of the Liquid Glass redesign for iOS 26 and iPadOS 26 with refined animations and new visual elements.
Signal polls are here!
Find the best time for your group chat to hang out, choose a vacation destination, or ask if you should give yourself a haircut at 1 AM. Now in the latest version of Signal for iOS, Android, and Desktop.
Signal Messenger
Signal Polls: Yes, no, maybe (yes!)
Signal polling: An easier way to see what your group chat really thinks and feels.
Now on Desktop: Customizable chat folders
Keep healthy boundaries between friends & family or work & leisure.
Filter 1-on-1 and group chats, put all of your unread messages one place, or make project-specific folders for related chats.
Settings > Chats
Or right-click any chat
We are alarmed by reports that Germany is on the verge of a catastrophic about-face, reversing its longstanding and principled opposition to the EU’s Chat Control proposal which, if passed, could spell the end of the right to privacy in Europe. .pdf
In 2023, Signal was the first mainstream messenger to enable post-quantum cryptography. We’re still ahead of the (elliptical) curve, implementing a new hybrid PQ ratchet ensuring Forward Secrecy & Post-Compromise Security even in a post-quantum world. 
Signal Messenger
Signal Protocol and Post-Quantum Ratchets
We are excited to announce a significant advancement in the security of the Signal Protocol: the introduction of the Sparse Post Quantum Ratchet (S...