Opera Mini is a web browser designed for mobile devices, known for its speed and data-saving capabilities. It compresses web pages before loading them, which helps users save on data costs and improves loading times, especially on slower networks. This makes it a popular choice in regions with limited internet access. The browser features a simple interface that allows easy navigation and access to bookmarks. Users can also customize their experience with various settings, such as changing the appearance and enabling private browsing. Overall, Opera Mini aims to provide a fast and efficient browsing experience for mobile users.