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copied!<p>Just set the <code>Paragraph.Align</code> property:</p> <pre><code>using (Document document = new Document()) { PdfWriter.GetInstance( document, STREAM ); document.Open(); for (int i = 1; i < 11; ++i) { Paragraph p = new Paragraph(string.Format( "Paragraph {0}", i )); p.Alignment = Element.ALIGN_RIGHT; document.Add(p); } } </code></pre> <p>It even works with a long string like this:</p> <pre><code>string longString = @" iText ® is a library that allows you to create and manipulate PDF documents. It enables developers looking to enhance web- and other applications with dynamic PDF document generation and/or manipulation. "; Paragraph pLong = new Paragraph(longString); pLong.Alignment = Element.ALIGN_RIGHT; document.Add(pLong); </code></pre> <p><img src="https://i.stack.imgur.com/Sw8ZP.png" alt="enter image description here"></p> <p><strong>EDIT</strong>: After looking at the "picture" you drew...</p> <p>It doesn't match with the title. The <strong>only</strong> way you can align individual <code>Paragraph</code> objects like your picture is if the "paragraph" does <strong>NOT</strong> exceed the <code>Document</code> object's "content" box (for a lack of a better term). In other words, you won't be able to get that type of alignment if the amount of text exceeds that which <strong>will</strong> fit on a single line.</p> <p>With that said, if you want that type of alignment you need to:</p> <ol> <li>Calculate the widest value from the collection of strings you intend to use.</li> <li>Use that value to set a common left indentation value for the <code>Paragraph</code>s.</li> </ol> <p>Something like this:</p> <pre><code>using (Document document = new Document()) { PdfWriter.GetInstance( document, STREAM ); document.Open(); List<Chunk> chunks = new List<Chunk>(); float widest = 0f; for (int i = 1; i < 5; ++i) { Chunk c = new Chunk(string.Format( "Paragraph {0}", Math.Pow(i, 24) )); float w = c.GetWidthPoint(); if (w > widest) widest = w; chunks.Add(c); } float indentation = document.PageSize.Width - document.RightMargin - document.LeftMargin - widest ; foreach (Chunk c in chunks) { Paragraph p = new Paragraph(c); p.IndentationLeft = indentation; document.Add(p); } } </code></pre> <p><img src="https://i.stack.imgur.com/ArqXS.png" alt="enter image description here"></p> <p><strong>UPDATE 2</strong>:</p> <p>After reading your updated question, here's another option that lets you add text to the left side of the "container":</p> <pre><code>string textBlock = @" Mr. Petersen Elmstreet 9 888 Fantastic City ".Trim(); // get the longest line to calcuate the container width var widest = textBlock.Split( new string[] {Environment.NewLine} , StringSplitOptions.None ) .Aggregate( "", (x, y) => x.Length > y.Length ? x : y ) ; // throw-away Chunk; used to set the width of the PdfPCell containing // the aligned text block float w = new Chunk(widest).GetWidthPoint(); PdfPTable t = new PdfPTable(2); float pageWidth = document.PageSize.Width - document.LeftMargin - document.RightMargin ; t.SetTotalWidth(new float[]{ pageWidth - w, w }); t.LockedWidth = true; t.DefaultCell.Padding = 0; // you can add text in the left PdfPCell if needed t.AddCell(""); t.AddCell(textBlock); document.Add(t); </code></pre>

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