Renamer is a free Android application developed by AWapps. It falls under the Utilities & Tools category and offers a variety of useful features for managing file names.

With Renamer, users can easily rename files by adding a file number to its name while preserving the extension. This feature is particularly helpful when organizing photos, videos, or documents. Additionally, the app allows users to change the extension of all files in a folder, making it convenient for bulk file format conversions.

Another handy feature of Renamer is the ability to change the extension of files that have a specific extension to a new extension. This can save users time when dealing with multiple files that need their formats updated.

The app also offers a search and replace function that allows users to find and replace a given word, including the extension, in the names of all files. This can be useful for quickly making changes to file names without manually editing each one.

Furthermore, Renamer provides the option to change the nth character in the names of all files. This feature can be helpful for adding or removing specific characters in file names.

Lastly, the app allows users to add a prefix or suffix to the names of all files. This can be useful for adding identifiers or tags to files in bulk.

Overall, Renamer is a versatile and user-friendly app for managing file names on Android devices. Its range of features makes it a valuable tool for organizing and renaming files efficiently.