syvaidya/openstego

syvaidya/openstego has 1,448 GitHub stars and 245 forks. GitHot measured 0 stars in 24 hours and +1 in 7 days. Last checked 2026-11-10 04:14 UTC. Last push 2023-08-12.

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OpenStego is a steganography application that provides two functionalities: a) Data Hiding: It can hide any data within an image file. b) Watermarking: Watermarking image files with an invisible signature. It can be used to detect unauthorized file copying.

1,448 stars 245 forks

Measured star growth

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in 7 days: +1
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README.md

Original

OpenStego

OpenStego is a steganography application that provides two functionalities:

Data Hiding: It can hide any data within an image file.
Watermarking: Watermarking image files with an invisible signature. It can be used to detect unauthorized file copying.

Usage

For GUI:

Use menu shortcut for OpenStego if you used installer. For zip downloads, use the bundled batch file or shell script to launch the GUI.

openstego.bat                (Windows)

./openstego.sh               (Linux / MacOS)

For command line interface:

Refer to online documentation.

Development

Fork the repository, clone it locally and execute following to build it fully:

gradlew clean dist           (Windows)

./gradlew clean dist         (Linux / MacOS)

Note: Windows installer will be generated only if you execute build on Windows environment. It needs Inno Setup to be installed, and iscc.exe to be on PATH. If you don't want to generate Windows installer, you can skip the same using following command:

./gradlew clean dist -x distWin

Author

Samir Vaidya (samir [at] openstego.com)

Homepage

https://www.openstego.com

License

GNU General Public License 2.0 (GPL) (see LICENSE file)

Acknowledgement

The digital watermarking code in this product is based on the code provided by Peter Meerwald. Refer to his excellent thesis on watermarking: Peter Meerwald, Digital Image Watermarking in the Wavelet Transfer Domain, Master's Thesis, Department of Scientific Computing, University of Salzburg, Austria, January 2001.