Add Text Watermark

using(var img = Image.FromFile("wwwroot/images/my-image.jpg"))
{
    img.AddTextWatermark("https://docs.ziyad.info")
       .SaveAs("wwwroot/images/new-image.jpg");
}

using(var img = Image.FromFile("wwwroot/images/my-image.jpg"))
{
    var tmOps = new TextWatermarkOptions
                {
                    Location = TargetSpot.Center,
                    Margin = 5, // distance from border
                    FontSize = 40,
                    FontStyle = FontStyle.Bold,
                    TextColor = Color.FromArgb(70, Color.White), // Use alpha channel to change opacity
                    BGColor = Color.FromArgb(0, Color.Black), // set alpha to 0 to remove background
                    OutlineColor = Color.FromArgb(200, Color.Black), // Use alpha channel to change opacity
                    OutlineWidth = 0.5f // draw an outline around the text
                };

    img.AddTextWatermark("LazZiya.ImageResize", tmOps)
       .SaveAs("wwwroot/images/new-image.jpg");
}

using(var img = Image.FromFile("wwwroot/images/my-image.jpg"))
{
    img.ScaleByWidth(400)
       .AddTextWatermark("LazZiya.ImageResize")
       .SaveAs("wwwroot/images/new-image.jpg");
}

using(var img = AnimatedImage.FromFile("wwwroot/images/my-image.gif"))
{
    img.AddTextWatermark("LazZiya.ImageResize....")
       .SaveAs("wwwroot/images/new-image.gif");
}