Make Filename Lowercase is a free WordPress plugin designed to streamline the management of uploaded media files. This tool automatically converts any uppercase letters in filenames to lowercase, ensuring consistency and compatibility across various file types, including images, videos, and audio files. Originally created for WordPress versionand above, it is particularly useful for users who frequently upload media with mixed-case filenames.

The plugin operates by applying a filter on sanitize_file_name during the upload process. For instance, filenames like MOVIE-FILE.MOV are transformed into movie-file.mov, and similarly for other formats. This functionality helps maintain a clean and organized media library, making it easier to manage and reference files. With its straightforward approach, Make Filename Lowercase enhances the user experience by eliminating potential issues related to file naming conventions.