FileRenamer is a user-friendly Android application designed to simplify the process of renaming multiple files. It offers a range of powerful features, including multiple renaming rules such as prefix, suffix, numbering, and regex, allowing for customized file organization. The application supports batch processing, enabling users to rename several files simultaneously. Additionally, it provides a preview function to visualize changes before applying them, ensuring accuracy and reducing mistakes. Users can also filter files by extension and sort them by name, size, or date for easier management.

The interface is intuitive and supports dark mode for comfortable viewing. FileRenamer includes features like undo functionality for corrections and customizable rule templates. It is suitable for various users, including students, photographers, and content creators, who need effective file management solutions. With support for multiple languages and local data storage, FileRenamer is an essential tool for anyone dealing with large quantities of files.