Messages and files
Send text, photos, videos and files.
Share life with the people who matter.
Signal messagingPrivate chats, effortless connections
Stay close to the people who matter with encrypted messages, voice and video calls.
Free messages and calls. No ads.
Discover Signal
Designed for everyday conversations
Share messages, photos and files, and start voice or video calls anytime.
Bring every conversation back to people.
Group conversations
Create groups with family, friends or your team.
Stay in touch.
Voice and video
Make clear voice and video calls anytime,
Wherever you are.
Privacy in every conversation
Messages and calls are end-to-end encrypted by default. Signal cannot read your messages or listen to your calls.
End-to-end encrypted by defaultMessages and calls are encrypted by default.
No ads or advertising trackersBuilt for smooth conversations.
From phone to desktop,
Keep conversations flowing
Link your devices and continue conversations on the screen that suits you.
The desktop app must be linked to Signal on your phone.
About linked devices
Start using Signal in three steps
- 01
Download and install
Choose the version for your phone.
- 02
Finish setup
Follow the instructions to register or link your device.
- 03
Start a private conversation
Contact a friend or create your first group.
From the Signal blog
View all articlesSignal backups and phone transfers: a recovery guide
Choose a Signal backup or transfer method, distinguish your PIN from a recovery key, and verify restored chats before finishing a phone change.
Read the full articleSignal usernames: phone number privacy guide
Set up a Signal username, separate number visibility from discovery, check your sharing link, and handle message requests with a practical privacy checklist.
Read the full articleSignal group member labels: setup and permissions
Explain your group role with a short label. Learn setup and editing steps, see examples and understand how labels differ from admin permissions.
Read the full article
For everyone, supported by everyone
Signal is an independent nonprofit. Donations support ongoing development and help more people communicate privately.
Discover SignalDownload Signal for your device
Install Signal on your phone before linking your computer.
Common questions about Signal
View all FAQsIs Signal free to use?
Messages and calls are free, though data charges may apply.
Can Signal read my messages?
No. Messages and calls are end-to-end encrypted by default.
Can I register on desktop alone?
Install and register Signal on your phone first, then link the desktop app.
Where can I find help?
Visit the help center for installation, settings and FAQs.