Suppose i highlighted united states and Patent Application Publication in page no 1, now i want to remove united states alone. It removes all annotation but i want to remove particular annotation. PdfName subType = (PdfName)annotationDic.Get(PdfName.SUBTYPE) PdfDictionary annotationDic = (PdfDictionary)PdfReader.GetPdfObject(annots) PdfArray annots = pageDict.GetAsArray(PdfName.ANNOTS) PdfDictionary pageDict = reader.GetPageN(pageno) Using (PdfStamper stamper = new PdfStamper(reader, fs)) Using (FileStream fs = new FileStream(highLightFile, FileMode.Create, FileAccess.Write, FileShare.None)) PdfReader reader = new PdfReader(outputFile) private void RemovehighlightPDFAnnotation(string outputFile, string highLightFile, int pageno, string highLightedText) Now I want to know how to remove those highlighted rectangles using iTextSharp.

I highlighted the word in pdf using the code in the answer to the following question: Highlight words in a pdf using itextsharp, not displaying highlighted word in browser

How to remove highlight in pdf