Picasa is a free application that helps you organize, edit, and share images. You can easily import image files from your PC and external storage devices. You can also convert your pictures into short movies or screensavers. It offers basic editing options so that you can enhance the quality of photographs. It efficiently detects empty or duplicate albums and helps you free the memory space. You can compress stored files to further save space. Lifescape Inc. launched this software in 2002, but Google Inc. acquired it later. This user-friendly tool is compatible with XP and all later versions of the Windows operating system.