wbStego4 - Version 4.2 A steganography tool for Windows95/98, Windows NT 4.0 and Windows 2000. It hides any data in bitmap images, ASCII and ANSI text files, HTML files and Adobe Acrobat (PDF files). For the encoding and decoding process two user-friendly interfaces are provided. wbStego99 is ideal for transmitting data safely online but also for adding copyright information.