Abstract

 In today’s world lots of data are being corrupted so, for a secure message transfer we need Steganography .It is the method of hiding information in other information. Other file formats such as of audio or video format can also be used, but because of their frequency on the internet, digital images are more popular. There are variety of steganography technique that are used for hiding secret information and are more complex than others while all of them have respective strong and weak points. Different applications may require absolute invisibility of the secret information, while others require a large secret message to be hidden.This project report intends to give an overview of image steganography, its use and techniques. It also helps to choose which stegnographic technique are suitable for which application and also attempts to identify the requirements of a good steganography algorithm.

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