Typically, modern computer users have large collections of images in various formats. And then more these collections, then more likely to have the large number of duplicates. The natural desire of the user is to get rid of them. However, if the collection is large enough, do this manually is a very tedious and unproductive work. AntiDupl.NET program will help you automate this process. It can find and display duplicate images in the main graphic formats: JPEG, GIF, TIFF, BMP and PNG. The comparison is based on the contents of the files, so the program can find not only almost identical, but similar images. In addition, the program can find images with some types of defects. Program AntiDupl.NET is free, simple to use, has high speed and accuracy of work, supports Russian and English interface. The last changes: 1. The choice between vertical and horizontal orientation of results in the preview panel and the table was added. 2. Now main parameters of picture are displayed near the pictures (path, file size, dimensions of the image). 3. String resources are now stored in the external xml-files, the user can add his own translation of the program in their native language. 4. Now the check for new versions of the program is optional. 5. Now you can copy the path to the image. 6. The buttons to navigate through the table of results were added. 7. The design and the content of the menu, the control panel, and the status bar were changed. 8. Now the buttons in tooltips contain their corresponding hotkeys. 9. Also help was updated and bugs were fixed.