Clean Master is a mobile phone optimization tool that assists in cleaning up unnecessary files and optimizing storage space on your device. It offers features such as managing your photo library by identifying and removing similar, old, and poor-quality photos. Additionally, it provides options for file compression and moving originals to cloud storage to save space. The app also allows users to delete photos from private chats, helping to declutter the device and improve performance.

One of the key functions of Clean Master is its ability to reduce file sizes through various levels of compression, including Low, Moderate, High, and Aggressive settings. By utilizing these compression options, users can free up valuable storage space on their phones. Furthermore, the app offers the convenience of automatically triggering profiles based on the device's location, which may require access to location data. Users are prompted to grant permission for this feature before it is utilized, ensuring transparency and user control over data access.

It is important to note that Clean Master emphasizes user privacy and data security by requesting permission to access location data before using it for automatic profiles. By providing users with control over their data, the app aims to maintain transparency and trust with its users. Overall, Clean Master serves as a helpful assistant in managing phone storage, optimizing performance, and decluttering the device by efficiently cleaning up unnecessary files and photos.