FTK Imager is a forensic imaging tool used to create exact copies of digital data from hard drives, USB drives, and other storage devices. It allows users to capture data without altering the original evidence, making it essential for digital forensics investigations. The software supports various file systems and can recover deleted files, providing a comprehensive view of the data. In addition to imaging, FTK Imager offers features like file previewing and data analysis. It can generate hash values to verify data integrity, ensuring that the copied data remains unchanged. This tool is widely used by law enforcement and cybersecurity professionals for investigations.