SteghideGUI
Steghide GUI is perfect C++/Qt app for embedding and extracting data
Steghide is a steganography program that is able to hide data in various kinds of image- and audio-files. The color- respectivly sample-frequencies are not changed thus making the embedding resistant against first-order statistical tests.
SteghideGUI is Qt GUI with various features. It supports steganography capacity counter (also supports UTF8 and compression).
It serves like a educational demonstration of embedding process. You can also view cover and stegogram in custom image viewer.