Steganography is a technique of hiding secret data within an ordinary non-secret file or message to avoid detection. Image Steganography is one of the types of steganography that hides secret data within an image file. The image selected for this purpose is called the cover image and the image obtained after steganography is called the stego image. Steganography has been used to hide secret messages in various types of files, including digital images, audio and video.
Image Steganography tool allows you to embed hidden data inside an image file, and later extract that data.