XML to JSON is a free app that allows you to convert multiple XML files to JSON format on your Android device. It supports offline XML to JSON conversion and can convert RSS feeds to JSON format. The app has a user-friendly interface and supports multiple file conversion with no limit on the number of files that can be converted in a single click.

To use the app, simply click on the "Choose Folder" button and navigate to the folder where your XML files are stored. Select the folder and click "OK" to see the list of files. You can convert all files with a single click or convert them one by one by clicking on the "Convert" button next to the file name. The converted JSON files will be stored in /storage/emulated/0/XMLToJSON folder.

The app also provides usage help, answering questions like how to use it, where the converted files are stored, how to convert a single file, and more. Created with Cordova and the Ionic framework, XML to JSON is a must-have app for anyone looking to convert multiple XML files to JSON format on their Android device.