Siotra Watermark is a small and free application using which you can add watermark to your images very easily. The program is very easy to use and comes with some options that you can configure.

Just run the application and select the folder which contains the images that you want to watermark. Select the watermark text, the destination and click the “Create” button. You can also set a default text that you want to include in all your watermarks. You can also include the year and filename in the watermark and can also set the size and alignment of the watermark. The font of the watermark can also be configured and you can save the settings so that they can be used each time.

The program is a freeware and works on Windows XP/Vista and Windows 7 and requires .Net Framework 3 or higher.