Bytescout.Watermarking SDK is a native .NET library to mark image files (JPG, PNG, GIF, TIF and other) with text, stamps, annotations, logotypes, EXIF text macros within your .NET desktop or web-application.

Benefits:
-built
-in set of ready
-to
-use 15 watermark types: TextFitsPage, TextFitsPageDiagonal, SimpleText, SimpleVerticalText, TiledText, TiledTextVertical, TiledTextDiagonal, Stamp, StampFitsPage, StampFitsPageDiagonal, TextAnnotation, LogoImage, LogoWithText, TiledText, TiledTextVertical;
-EXIF and photo information macros support in text for watermarks (file and EXIF information) (see sample code) , see full list of supported EXIF macros
-adjustable transparency for text and logo images;
-customizable font settings, text location, rotation, margins and other;
-supports batch watermarking for image files;
-provides ability to process pictures using stream
-to
-stream operation (for ASP.NET/ASP web
-applications);
-made with 100% managed code;