Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.
# NOTE: These instructions only work for 64-bit Debian-based Linux distributions such as Ubuntu, Mint etc 1. Install our official public software signing key: wget -O- https updates.signal.org/desktop/apt/keys.asc gpg dearmor signal-desktop-keyring.gpg ca
Encryption in messaging environments integrates many ideas which often need to be composed separately in different applications. We make an effort to break out ideas into independent specifications so that they can be integrated as appropriate for differe
Signal is designed to never collect or store any sensitive information. Signal messages and calls cannot be accessed by us or other third parties because they are always end-to-end encrypted, private, and secure. Our Terms of Service and Privacy Policy ar
on 19 Sep 2023 The Signal Protocol is a set of cryptographic specifications that provides end-to-end encryption for private communications exchanged daily by billions of people around the world. After its publication in 2013, the Signal Protocol was adopt
# NOTE: These instructions only work for 64-bit Debian-based Linux distributions such as Ubuntu, Mint etc 1. Install our official public software signing key: wget -O- https updates.signal.org/desktop/apt/keys.asc gpg dearmor signal-desktop-keyring.gpg ca
Welcome to Signal's Brand Assets site. Here you'll find brand guidelines and downloadable assets as well as information on obtaining permission to use Signal Brand Assets in your own work. Signal's "Brand Assets" refer to the Signal word mark, Signal Logo
The Double Ratchet algorithm is used by two parties to exchange encrypted messages based on a shared secret key. Typically the parties will use some key agreement protocol (such as X3DH to agree on the shared secret key. Following this, the parties will u
This document describes the "X3DH or "Extended Triple Diffie-Hellman key agreement protocol. X3DH establishes a shared secret key between two parties who mutually authenticate each other based on public keys. X3DH provides forward secrecy and cryptographi
We solve problems that matter and develop technology that respects our users. Targeted advertising isn't our style. We don't collect anything except more sleep at night. Have an immediate impact. Signal is an opportunity to do original work and closely co
When legally forced to provide information to government or law enforcement agencies, we'll disclose the transcripts of that communication here.
on 26 Sep 2017 At Signal, we’ve been thinking about for a long time. We’ve been working on strategies to improve our current design, and today we’ve Using this service, Signal clients will be able to efficiently and scalably determine whether the contacts
Signal is a nonprofit built for you. No ads, no trackers, no surveillance. Donating to Signal helps pay for the servers, bandwidth, and ongoing development to ensure that Signal remains available to the millions of people around the world who count on it
on 09 Dec 2019 Groups are inherently social, and Signal is a social app. Whether you’re planning a surprise party, discussing last night’s book club meeting, exchanging photos with your family, or organizing something important, group messaging has always
on 19 Dec 2019 At Signal, we want to make privacy simple. From the beginning, we’ve designed Signal so that your information is in your hands rather than ours. Technologies like secure your messages so that they are never visible by anyone but you and the
on 04 May 2021 Companies like Facebook aren’t building technology for you, they’re building technology for your data. They collect everything they can from FB, Instagram, and WhatsApp in order to sell visibility into people and their lives. This isn’t exa
on 21 Apr 2021 Cellebrite makes software to automate physically extracting and indexing data from mobile devices. They exist within the grey where enterprise branding joins together with the larcenous to be called “digital intelligence Their customer list
on 10 May 2016 At Open Whisper Systems, we’ve been developing open source “consumer-facing” software for the past four years. We want to share some of the things we’ve learned while doing it. As a software developer, I envy writers, musicians, and filmmak
In the “first half of 2016 the most specific we’re permitted to be we received a subpoena from the Eastern District of Virginia. The subpoena required us to provide information about two Signal users for a federal grand jury investigation. We’ve designed
on 05 Jun 2020 In the midst of world-wide protests against racism and police brutality, a lot of people are becoming more immediately aware and concerned about the security of their data and online communication. We’ve gotten a lot of questions at Signal
on 10 Jan 2022 It’s a new year, and I’ve decided it’s a good time to replace myself as the CEO of Signal. I have now been working on Signal for almost a decade. It has always been my goal for Signal to grow and sustain beyond my involvement, but four year
on 17 Nov 2016 The latest Signal release includes some changes to the way safety numbers work. Safety numbers allow Signal users to verify the privacy of their communication with a contact, either by comparing a number or by scanning a single QR code. We
on 29 Oct 2018 In addition to the end-to-end encryption that protects every Signal message, the Signal service is designed to By design, it does not store a record of your contacts, social graph, conversation list, location, user avatar, user profile name
on 21 Feb 2018 Long before we knew that it would be called Signal, we knew what we wanted it to be. Instead of teaching the rest of the world cryptography, we wanted to see if we could develop cryptography that worked for the rest of the world. At the tim
on 23 Dec 2020 Yesterday, the BBC ran a story with the factually untrue headline Cellebrite claimed to have cracked chat app’s encryption This is false. Not only can Cellebrite not break Signal encryption, but Cellebrite never even claimed to be able to.
on 01 May 2018 Last week, we received the following email from Amazon: From redacted redacted redacted]@amazon.com> Subject: Notification of potential account suspension regarding AWS Service Terms Moxie, Yesterday AWS became aware of your GitHub and Hack
on 06 Sep 2017 The latest Signal beta for Android and iOS introduces support for Signal Profiles. Profiles allow you to add a picture and display name that will be shown alongside your existing phone number when communicating with other users. Conversatio
on 08 Apr 2020 Over the past several weeks, Signal traffic has gone through the roof. New users are signing up at unprecedented rates, and we’ve expanded our server capacity faster than we ever anticipated. It means a lot to us that so many people are rel
on 14 Dec 2020 2020 has seen its fair number of challenges and changes. We’ve all adapted to new ways of staying in touch, getting work done, celebrating birthdays and weddings, and even exercising. As more and more of our critical and personal moments mo
on 04 Feb 2021 Just over a week ago, that Iranian censors had started blocking all Signal traffic in the country. As an interim solution to help people in Iran get connected again, we’ve added support in Signal for a that is easy to set up, can be used to
on 05 May 2014 One of the major features we introduced in the release was private group chat. We believe that group chat is an important feature for encrypted communications projects, so we wanted to try to summarize some of the existing work in this area
on 22 Sep 2022 Signal is currently blocked in Iran. To help people in the country access Signal, we are republishing and revising a that we originally posted in February, 2021 during a very similar situation in Iran. If you are willing and able, please fo
on 01 Nov 2017 Today’s Signal beta for iOS includes support for animated GIF search. Signal iOS has long supported sending and receiving GIFs, but today’s beta adds support for browsing and searching popular GIFs from within Signal. We experimental suppor
on 12 Oct 2022 For many years, the Signal app on Android has supported sending and receiving plaintext SMS and MMS messages in addition to Signal messages. SMS and MMS are standardized communication protocols that allow mobile devices to send and transmit
This document describes the Sesame algorithm for managing message encryption sessions in an asynchronous and multi-device setting. Sesame was designed to manage Double Ratchet sessions created with X3DH key agreement However, Sesame is a generic algorithm
27 Apr 2021 It’s the first half of 2021 nearly five years since the but in many ways not much has changed. The United Kingdom is still another Justin Bieber song (is it too late now to say and Signal still So when we received this subpoena from the United
on 03 Jun 2020 Right now, people around the world are marching and protesting against racism and police brutality, outraged by the most recent police murders of George Floyd and Breonna Taylor. At Signal, we support the people who have gone into the stree
on 06 Apr 2021 The latest Signal betas are rolling out today. Inside, you’ll find performance enhancements, a slew of bug fixes, improvements to the mute settings, and if you’re in the United Kingdom, you’ll see support for Signal Payments a new feature t
on 01 Nov 2021 The phenomenon of unsolicited and unwanted messaging dates back to the earliest communication platforms: from and postal chain letters to popup ads and robocalls. To prevent spam, most online services rely on large-scale inspection of plain
on 17 Dec 2019 They get slapped on street signs. We wear them on our clothes to identify ourselves to distant coworkers during awkward holiday parties. Some people create massive galleries on their laptops in overlapping levels stacked so deep that the hi
on 19 May 2020 At Signal, our goal is to build a reliable, secure, and private communication experience that is broadly accessible and simple to use. From the beginning, we’ve designed Signal so that your information is in your hands rather than ours. Cur
on 31 Oct 2017 Signal Desktop is in a new, standalone form, and the has been deprecated. The new desktop version of Signal runs independently of your browser. If you’re a Firefox or Safari user, you don’t need to install Chrome to send and receive Signal
Here we are in the second half of 2021, Signal still knows nothing about you, but the government keeps asking. Because everything in Signal is end-to-end encrypted by default, the broad set of personal information that is typically easy to retrieve in oth
on 01 Dec 2021 Signal has no data to sell, no advertisers to sell it to, and no shareholders to benefit from such a sale. We’re building a different kind of tech where your data stays in your hands but we’re also building a different kind of tech organiza
on 19 Aug 2022 Private doesn’t mean lonely. Signal’s mission is to help you connect with people in a secure way. This means that you need to know which of your contacts are also on Signal. This is called “contact discovery” and it’s an essential part of a
on 03 Jan 2014 Building a social network is not easy. Social networks have value proportional to their size, so participants aren’t motivated to join new social networks which aren’t already large. It’s a paradox where if people haven’t already joined, pe
on 11 Oct 2016 The latest Signal release for iPhone, Android, and Desktop now includes support for disappearing messages. With this update, any conversation can be configured to delete sent and received messages after a specified interval. The configurati
on 15 Dec 2021 Signal released a year ago, and since then we’ve scaled from support for 5 participants all the way to 40. There is no off the shelf software that would allow us to support calls of that size while ensuring that all communication is end-to-
on 07 Nov 2022 If your favorite way to update your friends about life disappears in 24 hours, we’ve got some happy news for you. Stories are now available on Signal for Android and iOS, with Desktop coming soon! In the past years, stories have emerged as
on 09 Jun 2020 Signal iOS now includes a new feature that makes it possible to switch to a brand-new iPhone or iPad while securely transferring Signal information from your existing iOS device. As with every new Signal feature, the process is end-to-end e
on 12 Aug 2020 The number of people who join Signal every day is still growing at a record pace. With so many new conversations getting started, we’ve heard from a lot of users that they’d like more control over how they begin. With message requests, when
on 03 Feb 2020 When you’re standing next to a friend who says something funny, you can just laugh. You don’t need to pause and say “I found what you just said humorous” or quote their own words back to them before displaying a real-world emoji on your fac
on 05 Apr 2016 At Open Whisper Systems, our goal is to make private communication simple. A year ago, we with WhatsApp and committed to integrating the Signal Protocol into their product, moving towards full end-to-end encryption for all of their users by
This document describes the “PQXDH or “Post-Quantum Extended Diffie-Hellman key agreement protocol. PQXDH establishes a shared secret key between two parties who mutually authenticate each other based on public keys. PQXDH provides post-quantum forward se
28 Oct 2021 Signal still knows nothing about you, but inexplicably the government continues to ask. Because everything in Signal is end-to-end encrypted by default, the broad set of personal information that is typically easy to retrieve in other apps sim
on 26 Nov 2013 At Open Whisper Systems, we’ve been working on improving our encrypted asynchronous chat protocol for TextSecure. The TextSecure protocol was originally a derivative of with minor changes to accommodate it for transports with constraints li
on 22 Aug 2013 Traditionally, asynchronous messaging systems such as email have relied on protocols like PGP or S/MIME for cryptographic security. These protocols work the way most people are familiar with: one who wishes to receive encrypted email advert
on 01 Jul 2020 Sometimes people dive into Signal’s code looking for domain names, and then they send us screenshots asking if they should be concerned: We reply with a short explanation that lays out why there’s nothing wrong, but we understand the confus
on 07 Feb 2022 Millions of people worldwide rely on Signal every day for secure and private communication. Some of these people change their phone number, but want to continue using Signal without registering for a new account. We now provide the ability
on 10 Aug 2021 As the norms for how people connect have changed, much of the communication that once took place through the medium of coffee shops, bars, and parks now takes place through the medium of digital devices. One side effect of this shift from a
on 21 Dec 2016 The latest Signal for Android release includes support for adding doodles, stickers, and text to images. This release also includes support for censorship circumvention in Egypt and the United Arab Emirates. Over the weekend, we heard repor
on 01 Nov 2016 The latest Signal release for Android includes support for GIF search and browsing. Signal has long supported sending and receiving GIFs, but this is an experiment that allows users to browse, search, and select popular GIFs from within Sig
Beginning at the end is the ultimate shortcut. Ending up at the beginning is always a good way to (re)start.
on 14 Oct 2020 Whether it’s staying in touch with family and friends, planning a party, scheduling an event, getting work done, or group chats are an increasingly important part of Signal. Today we’re releasing a new version of Signal groups that gives yo
on 31 Mar 2016 As of our latest Android release, Signal builds are reproducible. Reproducible builds help to verify that the source code in our is the exact source code used to build the compiled Signal APK being distributed through Google Play. The proce
on 13 Dec 2018 Like many others, we have been following the latest developments in Australia related to the “Assistance and Access” bill with a growing sense of frustration. The widespread adoption of strong cryptography and end-to-end encryption has give
on 02 Dec 2015 Today we’re making the Signal Desktop beta available. Signal Desktop brings the trusted private messaging experience of Signal to the desktop, with a simplicity that allows you to seamlessly continue conversations back and forth between you
on 07 Mar 2023 The tech industry–its products, conceptual frameworks, linguistic conventions, and cultural norms–is largely centered in the US (and, increasingly, China. But we’re focused here on the US, where Signal is based This is not because the US ha
on 29 Jul 2014 At Open Whisper Systems, we want everyone to have access to advanced secure communication tools that are as easy and reliable to use as making a normal phone call or sending a normal text message. Over the past year, we’ve been working to b
on 27 Jul 2013 At Open Whisper Systems we help develop an encrypted chat application for Android. TextSecure was designed as a general purpose SMS/MMS client which would also automatically encrypt conversations when communicating with other TextSecure use
on 13 Jan 2020 Signal for Android now includes storage management functionality that helps visualize files across all of your conversations, sorted by size and type, in order to assist you in reducing the amount of space Signal uses on your device. The An
on 02 Mar 2015 Today we’re releasing with support for TextSecure private messaging. It is now possible to send end-to-end encrypted group, text, picture, and video messages between Signal on iPhone and TextSecure on Android, all without SMS and MMS fees.
on 18 Nov 2014 At Open Whisper Systems, our goal is to make private communication simple. For the past three years, we’ve been developing a modern, open source, for asynchronous messaging systems, designed to make seamless end-to-end encrypted messaging p
This document describes how to create and verify EdDSA-compatible signatures using public key and private key formats initially defined for the X25519 and X448 elliptic curve Diffie-Hellman functions We refer to this as the "XEdDSA" signature scheme (or "
on 19 Sep 2023 The Signal Protocol is a set of cryptographic specifications that provides end-to-end encryption for private communications exchanged daily by billions of people around the world. After its publication in 2013, the Signal Protocol was adopt
02 Nov 2021 Signal still knows nothing about you, but the government still continues to ask us if we do. Because everything in Signal is end-to-end encrypted by default, the broad set of personal information that is typically easy to retrieve in other app
on 06 Sep 2022 On September 12 I’ll be stepping into the role of Signal’s President, a new position created in collaboration with Signal’s leadership. I am thrilled, and I can’t think of a more meaningful use of my time, or a greater honor. I’ve been a fr
on 13 Aug 2020 Update: This feature is now available in production. The latest beta release of Signal Desktop includes preliminary support for one-to-one voice and video calls. Call your friends and family on macOS, Windows, and Linux; see their smiles on
A guest post by on 25 Mar 2013 Spring Break Of Code, Day One. One of the first times I met up with while travelling, we met at a dive bar in San Francisco’s Mission District, packed with hipsters. I had nineteen years, a modified state ID card, and just h
A guest post by on 20 Jan 2015 Winter Break Of Code Day 8 A few weeks ago, an email full of information to help prep for Winter Break of Code popped up in my inbox. Throughout my personal countdown to the day I got to leave San Francisco for Hawaii, one l
on 06 Mar 2015 It’s 2015, and the end of the road for encrypted SMS/MMS in TextSecure. The TextSecure story started back in 2009, at the dawn of the smartphone era. Back then, TextSecure focused on securing the transport that everyone coming from feature
on 28 Oct 2020 We recently released with group admins mentions, permissions, and more. Today we’re adding one more feature into the mix: group links, which let you quickly create a link that anyone can follow to join your group. Like our other new group f
A guest post by on 31 Jan 2015 Winter Break Of Code Day Nineteen I recently had the opportunity to listen to another amazing podcast from 99% Invisible, a program about “design, architecture and the 99% invisible activity that shapes our world It got me t
A guest post by on 26 Mar 2013 Spring Break Of Code, Day Two “I am torn on how best to introduce myself out of context like this, the idea of rattling off facts from my resume is my first instinct, but that seems terribly conventional. With the goal of in
on 06 Feb 2019 The latest releases of Signal for Android, Desktop, and iOS are rolling out now with the ability to send optional link previews. This feature is built on the same foundation that has powered Signal’s animated GIF search for more than two ye
on 20 Oct 2020 Now that voice and video calls are on Signal Desktop and iPad, in addition to our mobile clients, we want to share a closer look at the technology that makes it possible for incoming calls to ring across multiple devices. Every call placed
on 27 Jan 2020 allows you to set a PIN that is required for account registration in addition to standard SMS-based verification. Today’s Signal beta release enhances the security of these PINs by transitioning them to use A Registration Lock PIN functions
on 02 Nov 2015 Today we’ve started rolling out which unites simple private messaging and simple private calling into a single app on Android. This is the culmination of our effort to combine TextSecure and RedPhone into one app, which we and are now bring
on 12 Jun 2020 The world was a different place when we back in February, but expressing the way you feel has never been more important. Instead of being limited to the default set of reactions that we started with, the latest Signal updates for Android, D
on 29 Jan 2015 Winter Break Of Code Day Seventeen In this life nearly every relationship we create and maintain is built upon expectations. You do this, I’ll do that, and together we’ll fail to oppose entropy but stand a chance at plotting and navigating
on 18 Aug 2015 After immersing myself for years and years in the world of finance (specifically, options market making and algorithmic trading there was no escaping this mantra of “no risk, no reward Most of the time, my (trading) style was fairly risk-av
A guest post by on 30 Jan 2015 Winter Break Of Code Day Eighteen Late this afternoon I took a break from working to surf. The sun was setting and a cool breeze was picking up as grey clouds billowed behind the mountains along Hanalei Bay. I had spent most
A guest post by on 26 Jan 2015 Winter Break Of Code Day Fourteen When I agreed to take part in Winter Break of Code, I had no idea what to really expect. While many people questioned my choice to spend my winter vacation writing code, I was excited for th
on 20 Sep 2016 We recently received a great bug report from Jean-Philippe Aumasson and Markus Vervier, who identified a problem with the way that image, audio, and video attachments are processed by the Signal for Android code. We consider the implication
on 26 Oct 2020 Signal has always benefitted from our engaged and supportive community, and wouldn’t be what it is without your input and feedback. As the number of people using Signal has grown, so have our efforts to keep pace with what people expect fro
on 14 Feb 2017 Today’s Signal release for Android and iOS includes beta support for video calls. This represents an entirely new calling infrastructure for Signal, and should increase voice call quality as well. We think it’s a big improvement, but we’re
on 13 Mar 2017 We recently We’ve spent the past month collecting feedback and addressing the issues that the Signal community found in order to get it ready for production. Today’s Signal release for Android and iOS enables support for end-to-end encrypte
on 16 May 2022 People around the world count on Signal for things as simple as sharing moments of celebration like a graduation or as high stakes as coordinating a protest. We’ve got your back no matter what! As we’ve seen in recent times from moments of
on 23 Jan 2013 This Spring will be the first Open Whisper Systems Spring Break Of Code, a week-long, expenses-paid retreat to Maui for folks who like software development, security, and the beach. We’ve rented a large beachfront house on the west coast of
A guest post by on 27 Mar 2013 Spring Break Of Code, Day Three I am no stranger to Hawaii. Although I’ve never lived here myself, I’ve visited the islands perhaps a dozen times. My grandmother and my father were born and raised here. My mother attended co
Stories are ephemeral posts of photo, video, or text that can be shared with your contacts and groups. They automatically expire after 24 hours.
Here are features to make your phone number more private on Signal. Both you and the people you are chatting with will need to Each version of the Signal app expires after about 90 days and people on that version will need to update to the latest version
Signal makes it possible for you to keep your phone number private from people you chat with on Signal. Here we will cover phone number privacy settings and how to use usernames as a way to connect without sharing your phone number, as well as ways to ver
With scheduled messages, you can compose a message in advance and choose when it will be sent. Scheduled messages are locally queued on your own device, and you can cancel or reschedule them anytime before they are sent. To schedule a message: To schedule
Important For your privacy, messages are only stored on your devices. Signal does not have a copy of your conversation history. New installs of Signal do not restore your previous message history. If you have your old device, use to your new phone. See al
A message, sticker, reaction, read receipt, or media couldn't be delivered. Your contact may have tried sending it to you directly or in a group. Signal uses end-to-end encryption so that we never have access to the contents of the messages you send; as r
Select the platform for help updating Did you mean to view: Apple controls downloads and installs for all iPhone apps. Check for additional information.
Signal uses your phone's internet connection for all private communication. The most common reasons why you can't receive messages when your phone is connected to the internet is that you have restricted Signal's internet access or it can not run or trans
End-to-end encrypted Signal messages are queued for delivery when a device is offline. Your phone and any linked devices each have their own independent (and ephemeral) queue. When a device regains connectivity, like when you launch Signal Desktop after i
Call states Your will show Why does my call screen only show Calling or Connecting? Why does the call screen show No Answer and quickly hang up? Your device is not connected to the internet. Check your WiFi or mobile data connection. What do I do if the r
If your phone or OS is not listed, you can search for specific settings on your phone in the following categories
Fast, simple, secure. Signal is privacy that fits in your pocket (or on your desk Download Signal or follow the installation steps for your platform. Signal Android users can send private messages and make secure calls to other Signal users anywhere in th
Signal gets better with every update. Here's how to make sure you can get every one: What is the latest version of Signal Android?Check for the latest version number and a list of updates. Which version of Signal Android do I have?On your phone, open Sign
The latest Signal updates introduce an optional way to re-register your Signal account on a new phone or reinstall Signal on an existing phone. Instead of waiting for an SMS code to arrive (and sometimes having to switch to a different app in order to see
Signal is a nonprofit sustained only by the people who use and value it. Donate inside Signal app Other ways to donateThese donation methods do not support in-app badges. Why donate? Signal is built for you, not your data and not for profit. Signal is com
What is a safety number? Each Signal one-to-one chat has a unique that allows you to verify the security of your messages and calls with specific contacts. Verification of safety numbers is a good security practice for sensitive communication. If a safety
Signal messages, pictures, files, and other contents are stored locally on your device.
Signal Profiles and Message Requests let people know who's messaging them. Read more What is my Signal Profile? Your encrypted Signal Profile is a name and picture that you set up within the app. It is showed alongside your phone number. If you lose or sw
SummaryIn the summer of 2022, Twilio, the company that provides Signal with phone number verification services, suffered a Here's what our users need to know: We notified these 1,900 users directly, and prompted them to re-register Signal on their devices
Does Signal send my number to my contacts?Signal does not send your phone number to anyone unless you have and then you send them a message or make a call to them. Other members of your group chats may see your The Signal service does not have any knowled
Use disappearing messages to keep your message history tidy. The message will disappear from your devices after the timer has elapsed. This is not for situations where your contact is your adversary after all, if someone who receives a disappearing messag
Your Signal PIN is a numeric or alphanumeric code used to help you recover your profile, settings, contacts, and block list if you ever lose or switch devices. It supports features like non-phone number based identifiers. A PIN can also serve as a registr
Just as with everything else in Signal Signal has a built-in list of default sticker packs that are available to all users, and we'll add more stickers over time. You can also create your own custom sticker packs or install sticker packs that you receive
If Signal is blocked in your country, use a proxy to get started with and continue using Signal. All traffic remains opaque to the proxy operator.
Some conversations can be chatty, some messages are meant for business hours only, and some people deserve to be prioritized. Use the steps below to modify your notification options to reflect your relationship preference for your chat. Did you mean to vi
Follow these steps to manage a group: Did you mean to view: Admins may select who can edit info. Admins may select who can add others. Admins may select who can remove others. Admins may select who can manage invites.
A Signal group is built on top of the technology. The Signal service has no record of your group memberships, group titles, group avatars, or group attributes. Group features include: See also: To start a Signal group chat
Want to live life on the bleeding edge and help out with testing? If so, join Signal's beta! The beta is for users who do not mind discontinuity in service and are willing to work with us to understand and test issues. Android iOS Desktop Android iOS You
For contacts saved to your phone's contact list, a contact icon displays by their name in a one-to-one chat.
You can permanently disable your phone number from being recognized as a Signal user by deleting the account from the registered mobile phone. Follow the steps for your platform: Did you mean to view Follow steps to no longer be seen as a Signal user: Fol
How do I create a New Group? I don't see any new options or it shows a Legacy Group banner.
Quickly reply to messages with emoji reactions. Did you mean to view: Where are reactions? How do I send a reaction? Mobile devices or an iPad: Desktop: How do I view all reactions? Tap the reaction to see a summary of all reactions for that message. How
Having issues registering? Follow these
Like all Signal messages, group voice and group video calls are private too. You will be prompted to grant the Camera and Microphone permissions the first time you make or receive a Signal call. Group call requirements Here's how to start an encrypted gro
Blocked chats will not be able to call you or send you messages through Signal.
Signal requests permissions to enable certain features, such as sharing a photo or displaying your contacts. You can verify how these permissions are used by looking through the Signal is fully open source and always will be. The code has been audited bot
We want our messaging and calling features to work seamlessly at all times. Thanks for reaching out to us about the issues you’re experiencing and being willing to provide information that will help us troubleshoot the problem. We take bug reports serious
Signal can only be used on one mobile device and up to five linked Signal Desktops.
Set color gradients on messages, choose unique wallpapers for individual chats or just set one default background to apply to all chats.
A Signal PIN is used to recover the wallet linked to your Signal account if you reinstall. You will be asked to change your PIN if The PIN is unknown to Signal and it can not be reset if you forget it. MobileCoin is a cryptocurrency designed to be used as
Follow steps to troubleshoot for your issue Sending messages Receiving messages Follow steps to troubleshoot for your phone
Follow steps to troubleshoot for your issue Sending messages Receiving messages Android phone's may have manufacturer specific
For contacts saved to your phone's contact list, a contact icon displays by their name in a one-to-one chat.
Signal is committed to protecting your privacy and the security of your data. Signal cannot sell, rent, or monetize your data or content in any way ever. Updated Terms and Privacy Policy.Signal is designed to never collect or store any sensitive informati
Signal Android users have three group types. Follow instructions for your group type:
Follow these steps to delete a message from each device individually: Did you mean to view This is a best effort to delete messages on all devices that received it. Note: Calling information is considered an alert. Deleting does not leave the group. You c
Archiving allows you to clear your chat list without deleting your messages.
Using your mouse, you can view all shortcuts by going to Help Show Keyboard Shortcuts.
Use Signal Android or Signal iOS to send individual photos and videos that are automatically removed from a conversation thread after they have been viewed.
With Signal's you can invite people to join a group simply by sharing a link with them. You can also require admin approval if someone requests to join your group via a link.
Here's how to start a Note to Self on:
Signal's Screen Lock feature uses your phone's pin, passphrase, or biometric authentication (e.g. a fingerprint, TouchID, or FaceID Did you mean to view: How do I enable or disable Screen Lock?
Your Signal contact list will show you who is already using the app. You can also invite your contacts to join Signal for a better messaging experience. Friends don't let friends chat insecurely! Share or follow the invitation steps for your platform: