How to Extract Data from PDF in C#

Create or Open a C# Project in Visual Studio

This tutorial recommends using the latest version of Visual Studio.

Once Visual Studio is opened, follow the steps below to create a new C# Project. If there is an existing project that you would like to use, then skip these next steps and proceed to the next section directly.

• Open Visual Studio
• Click on the "Create a new project" button.

Visual Studio opening UI

• Select the "C# Console Application" from the templates.

Create a new project

• Give a name to the Project and click on the Next button.
• Select a .NET Framework according to your project's requirements and click on the Create button.

.NET Framework selection

Visual Studio will now generate a new C# .NET project.

Install the IronPDF Library

Install-Package IronPdf

Extract Data from PDF Files

Let's have a look at the following code on how to extract data using IronPDF:

// Import necessary namespaces
using IronPdf;
using System.Collections.Generic;
using System.Drawing;

public class PDFExtractor
{
    public void ExtractDataFromPDF()
    {
        // Open a 128-bit encrypted PDF file by providing the filename and password
        using PdfDocument pdf = PdfDocument.FromFile("encrypted.pdf", "password");

        // Extract all text from the PDF document
        string allText = pdf.ExtractAllText();

        // Extract all images from the PDF document
        IEnumerable<Image> allImages = pdf.ExtractAllImages();

        // Iterate over each page in the PDF document
        for (var index = 0; index < pdf.PageCount; index++)
        {
            int pageNumber = index + 1;

            // Extract text from the specific page
            string text = pdf.ExtractTextFromPage(index);

            // Extract images from the specific page
            IEnumerable<Image> images = pdf.ExtractImagesFromPage(index);

            // Code to process the extracted text and images
            //...
        }
    }
}

// Import necessary namespaces
using IronPdf;
using System.Collections.Generic;
using System.Drawing;

public class PDFExtractor
{
    public void ExtractDataFromPDF()
    {
        // Open a 128-bit encrypted PDF file by providing the filename and password
        using PdfDocument pdf = PdfDocument.FromFile("encrypted.pdf", "password");

        // Extract all text from the PDF document
        string allText = pdf.ExtractAllText();

        // Extract all images from the PDF document
        IEnumerable<Image> allImages = pdf.ExtractAllImages();

        // Iterate over each page in the PDF document
        for (var index = 0; index < pdf.PageCount; index++)
        {
            int pageNumber = index + 1;

            // Extract text from the specific page
            string text = pdf.ExtractTextFromPage(index);

            // Extract images from the specific page
            IEnumerable<Image> images = pdf.ExtractImagesFromPage(index);

            // Code to process the extracted text and images
            //...
        }
    }
}

In this code example:

1. The FromFile method is used to load the input PDF document, which is encrypted and requires a password.
2. The ExtractAllText method extracts all textual content from the PDF.
3. The ExtractAllImages method fetches all embedded images.
4. A loop iterates over each page of the document to extract text and images from that specific page using ExtractTextFromPage and ExtractImagesFromPage.