FileMaster is a device manager and optimization tool that has been installed by over 10 million users. Its top priority is to make your phone clean and improve its performance. It has several features to help you achieve this, including a file cleaner that clears system cache and apps’ cache junk files to reclaim space, and a smart library file explorer that categorizes all files into downloads, images, videos, music, documents, archives, and APK. The optimized search engine of the file explorer can find files in internal storage and SD card in 1 second, and users can browse files by category.<br/><br/>In addition to cleaning and organizing your phone, FileMaster also has features to optimize its performance. It has a CPU cooler that detects and closes apps that are likely to cause temperature rise, a speed booster that cleans unnecessary apps running in the background and saves battery, and a battery saver that analyzes battery usage and hibernates apps to stop battery draining and promote battery life. It also has a security and antivirus feature that scans installed apps, memory card content, and new apps automatically, protecting your phone from viruses, adware, and malware.<br/><br/>FileMaster also has features for advanced users, such as a root explorer that allows you to explore, edit, copy, paste, and delete files in the root partition of phone storage for development purposes. It also has a Chromecast file manager that allows you to play local media on your Chromecast device, and a WiFi share feature that exploits WiFi and hotspot to transfer files to another phone and PC even without an internet connection. With your authorization of the Accessibility API, FileMaster can automatically force stop applications with high RAM usage, reducing repetitive operations and optimizing memory usage.<br/><br/>Overall, FileMaster is a powerful tool that can help you optimize your phone's performance and keep it clean and organized. Its features range from basic file cleaning and organization to advanced features for developers, making it a versatile tool for all types of users.