Apk Extractor is a free utility tool developed by krow, available for Android devices. As the name suggests, this application extracts APK files that are already installed on your device and copies them to your SD card. This feature comes in handy when you want to share an installed application with someone else or keep a backup of the APK file.

The interface of Apk Extractor is simple and easy to navigate. Once you launch the application, it displays a list of all the installed applications on your device. You can select any of the applications from the list and extract its APK file with just one click. The extracted APK files are stored in a separate folder on your SD card, making it easier to locate them.

Overall, Apk Extractor is a convenient tool to extract installed APK files on your Android device. Its user-friendly interface and easy-to-use features make it a must-have utility tool for anyone who wants to keep a backup of their installed applications or share them with others.