Zalo

Zalo is a Vietnamese instant messaging and social media application developed by VNG Corporation. It serves as a primary communication tool for over 100 million users in Vietnam, offering a wide range of text, voice, and video communication features. Users can send text messages, images, videos, voice clips, and stickers in one-on-one or group chats. The platform supports high-quality voice and video calls, including group video calls with up to 60 participants, making it suitable for both personal conversations and remote work meetings. Zalo Web, accessible via , is the desktop browser version that mirrors the mobile app's core functions. To log in, users scan a QR code using the Zalo mobile app, which ensures account security and synchronizes conversations across devices. Once logged in, the web interface allows users to send and receive messages, share files up to 1 GB in size, take screenshots, and make voice or video calls directly from a computer. This is particularly useful for office workers who prefer typing on a physical keyboard or need to multitask while staying connected. The application includes a social feed called "Zalo Feed" where users can post text updates, photos, and videos visible to their friends or the public. It also integrates a built-in payment system, ZaloPay, which enables peer-to-peer money transfers, bill payments, mobile top-ups, and online shopping within the app. Businesses can create official accounts (Zalo OA) to interact with customers, send promotional messages, and provide customer support. Zalo supports end-to-end encryption for private conversations, and users can set timers for self-destructing messages. Additional features include location sharing, voice message transcription, file management (sorting by type or date), and the