100% .NET SDK to visually mark image files (JPG, PNG, GIF and other) with text, text annotations and logo images within your .NET desktop or web-application.

Benefits:

• Royalty-free distribution along with your product/application;
• 12 months of free updates and 12 months of free tech support via e-mail (within 2 business days) are included. Additional 12 months are available at 30% of regular price.;
• 30 DAYS MONEY-BACK GUARANTEE;
• Made with 100% managed code for .NET (optional full source code licensing is available);
• built-in set of ready-to-use customizable presets: Simple Text, Text Annotation, Logo Image, Logo With Text, Text Fits Page, Vertical Text, FileName , DateTime stamp presets and other;
• adjustable transparency for text and logo images;
• customizable font settings, text location, rotation, margins and other;
• supports batch watermarking for pictures in files;
• provides ability to process pictures using stream-to-stream operation (for web-applications);
• provides support for EXIF and picture file information macros;
• supports JPEG, TIF (including CCIT b/w documents), GIF, PNG image formats as input and output;

Not a .NET software developer? Check our ready-to-use utilities for Windows called Bytescout Watermarking

If you don't like commercial software then check the tutorial to find how to add a simple text watermark using .NET built-in classes only (VB, C#, ASP.NET)