JACo Watermark

JACo Watermark is a free Java Open Source application created to help you apply watermarks to your pictures in order to protect them from unauthorized distribution. Different font, color, size and transparency texts or images can be added as a watermark. Batch processing is also provided.


  • easy to use interface;
  • preview for all images;
  • text and image as watermark;
  • batch image processing;
  • supported formats: BMP, GIF, JPG, JPEG, PNG, WBMP;
  • easy to change the font, size, style and color of the text watermark;
  • enable/disable the anti-aliasing for text watermark;
  • allow the change of the opacity level of the watermark (transparency);
  • adjustment for watermark position.

Change Log

Version 0.4.0 ( June 20, 2014 )

  • On start, the application will restore the last used settings.
  • The preview is for the entire image, with scroll bars to change the visible area in case the image is bigger than the view.
  • When the watermark changes, the tool will auto scroll trying to make visible (center if possible) the area with the watermark.
  • Brand new theme for the user interface.

The full change log is also available.



Copyright (C) Cristian Sulea ( http://cristian.sulea.net )

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this program. If not, see http://www.gnu.org/licenses/.