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EnglishWhat Is Signal and What Does signal.org Offer?
Updated
Signal is a privacy-focused messaging app whose official website, signal.org, is where you download the app and learn how it works. The site describes Signal as a "simple, powerful, and secure messenger" offering end-to-end encrypted messages, voice calls, and video calls. It is run by an independent nonprofit — Signal Technology Foundation, a 501c3 organization — and states it is not tied to any major tech company and can never be acquired by one. If you want a messenger where encryption is the default rather than an optional mode, signal.org is the place to start.
What Signal the app actually does
According to the site, every message and every call is protected by end-to-end encryption powered by the open-source Signal Protocol. The stated consequence is direct: Signal cannot read your messages or listen to your calls, and neither can anyone else.
Beyond secure messaging, the site lists these capabilities:
- Text, voice messages, photos, videos, GIFs, and files — shared for free over your phone's data connection, which the site says lets you avoid SMS and MMS fees.
- Voice and video calls — described as crystal-clear, with no long-distance charges whether the other person is across town or across an ocean.
- Encrypted stickers — including the ability to create and share your own sticker packs.
- Group chats — for staying connected with family, friends, and coworkers.
The framing throughout is that privacy is not a mode you switch on; it is simply how the app works, on every message and every call.
What you'll find on signal.org
The website functions as the front door to the app and the organization behind it. From the homepage and navigation, the visible entry points are:
| Section | What it's for |
|---|---|
| Get Signal | Downloading the app |
| Why use Signal? | Feature explanations (encryption, sharing, calls, stickers, groups) |
| Help | Support documentation |
| Blog | Updates and announcements |
| Developers | Information for contributors and integrators |
| Careers | Job listings at the organization |
| Donate | Supporting the nonprofit financially |
| Brand Assets | Logos and trademark information for media use |
The site also offers a language selector covering dozens of languages, from Afrikaans and Arabic to Simplified and Traditional Chinese, so the homepage can be read in your preferred language.
Who runs it, and how it's funded
Signal is an independent nonprofit. The site states plainly that development is supported by grants and donations from people like you — not by advertising or affiliate marketing. Two commitments follow from that model and are stated on the page:
- No ads, no affiliate marketers, no tracking. The site's phrasing is "No ads. No trackers. No kidding."
- Free for Everyone. The homepage presents Signal as free to use.
Because the organization is not tied to a major tech company and states it cannot be acquired by one, its incentives are structurally different from ad-supported messengers. If you want to support it, the Donate link is the direct route.
Common questions this answers
Is Signal free? The site says it is free for everyone.
Do I need a phone number? The homepage does not address registration requirements; check the Help section for setup details.
Can Signal read my messages? No — the site states that end-to-end encryption means Signal cannot read your messages or listen to your calls.
Is it available in my language? Very likely; the site lists a broad set of interface languages.
Who owns it? Signal Technology Foundation, a 501c3 nonprofit, per the site footer.
Where to go next
Start at signal.org to download the app, then use the Help section for setup and troubleshooting, the Blog for updates, and the Donate page if you want to fund the nonprofit behind it. The "Why use Signal?" section on the homepage is the quickest way to confirm whether its feature set — encrypted messaging, free calls, groups, and stickers — matches what you need.