GoodSync2Go

you already knew about GoodSync – a free application to sync all the data stored on your hard drive to any device, or between two folders on one drive – you can now use it on any computer thanks to a portable version called GoodSync2Go. GoodSync2Go syncs all your important files to your USB automatically, and can be installed and run right from any portable device, such as a USB flash drive or an external hard drive. GoodSync2Go uses a powerful and up-to-date sync algorithm to locate duplicate and transformed files automatically and show you tracking results. It also supports any file system and has no size limits. In short, GoodSync2Go is a reliable and professional application that makes modifying previously existing files much easier, as it can recognize files in any kind of folder or file storage medium.