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Determine Number of Pages in a PDF

Symptoms​

You want to count the number of pages in a PDF file, or perhaps across a folder full of PDF files.

Cause​

N/A

Resolution​

C# code snippet, using regex​

public int getNumberOfPdfPages(string fileName) { using (StreamReader sr = new StreamReader(File.OpenRead(fileName))) { Regex regex = new Regex(@"/Type\s*/Page[^s]"); MatchCollection matches = regex.Matches(sr.ReadToEnd());

    return matches.Count;
}

}

C# code snippet, using pdfReader​

using System; using System.Collections.Generic; using System.Linq; using System.Text; using iTextSharp.text.pdf; using iTextSharp.text.xml; namespace GetPages_PDF { class Program { static void Main(string[] args) { // Right side of equation is location of YOUR pdf file string ppath = "C:\aworking\Hawkins.pdf"; PdfReader pdfReader = new PdfReader(ppath); int numberOfPages = pdfReader.NumberOfPages; Console.WriteLine(numberOfPages); Console.ReadLine(); } } } See also: [Use PowerShell to count PDF pages](https://drflow.freshdesk.com/en/support/solutions/articles/44002762793-use-powershell-to-count-pdf-pages)