
RELIABLE: Built to deliver your messages using as little data as possible, Telegram is the most reliable messaging system ever made. Telegram is the perfect tool for hosting online communities and coordinating teamwork. ZIP, etc.) up to 2 GB each, and even set up bots for specific tasks. POWERFUL: You can create group chats with up to 200,000 members, share large videos, documents of any type (.DOCX.

is encrypted using a combination of 256-bit symmetric AES encryption, 2048-bit RSA encryption, and Diffie–Hellman secure key exchange.ġ00% FREE & OPEN: Telegram has a fully documented and free API for developers, open source apps and verifiable builds to prove the app you download is built from the exact same source code that is published. Everything on Telegram, including chats, groups, media, etc. SECURE: We made it our mission to provide the best security combined with ease of use. Your entire chat history will require no disk space on your device, and will be securely stored in the Telegram cloud for as long as you need it. UNLIMITED: You can send media and files, without any limits on their type and size. Start typing on one device and finish the message from another. Telegram apps are standalone, so you don’t need to keep your phone connected. SYNCED: You can access your messages from all your phones, tablets and computers at once. One of the world's top 10 most downloaded apps with over 500 million active users.įAST: Telegram is the fastest messaging app on the market, connecting people via a unique, distributed network of data centers around the globe. In other words: you must have at least one active Telegram session to log into Telegram on PC or Web.Pure instant messaging - simple, fast, secure, and synced across all your devices. The only thing you can do for now is to first create a new session using your mobile device, auth via SMS and then log into Telegram on PC/Web via 5-digit code in other session or QR Code. There has been no public statement on this yet, and we ( r/Telegram mods) don't know the reason behind this decision. Also it seems to be a strange "security" feature, because it makes user's life harder with no possible spam protection.

This makes impossible to log into Telegram if you don't have any other active sessions.

Instead, the app sends auth code to all other active user's sessions. Since April 20, 2021, Telegram stopped sending SMS when user authorizes from desktop or web Telegram apps. So here's a quick public notice about it:

We ( r/Telegram mods) are getting a significant number of messages in modmail with question: "I cannot log into Telegram from PC/Web: SMS doesn't arrive".
