Sharing Excel files with others can sometimes be inconvenient due to various reasons. For instance, recipients may not have Excel installed on their devices, or they may be using a different operating system that is not compatible with Excel. This can lead to compatibility issues and difficulties in accessing and viewing the shared files. Furthermore, Excel files can be large in size, making them challenging to send via email or other file-sharing platforms with size restrictions.

Converting Excel to images addresses these challenges by providing a simplified and visually appealing way to present data. With images, you can capture the essence of the data in a single snapshot, making it easier for recipients to grasp the information at a glance. Whether it's a chart, graph, or table, converting Excel to images allows you to transform complex data into a visually engaging format.

In this blog, we will elaborate on how to convert Excel to various image formats such as JPG, PNG, BMP, EMF, and SVG using C#.

• Convert an Excel Worksheet to JPG, PNG and BMP Images in C#
• Convert an Excel Worksheet to an EMF Image in C#
• Convert an Excel Worksheet to an SVG Image in C#
• Convert an Excel Worksheet to an Image with a Specific Resolution in C#
• Convert an Excel Worksheet to an Image without White Margins in C#
• Convert a Specific Cell Range of an Excel Worksheet to an Image in C#

C# Library to Convert Excel to Images

To convert Excel to images using C#, you can use Spire.XLS for .NET, which is a professional Excel API that supports creating, reading, writing, printing, and converting Excel files in .NET applications without relying on Microsoft Office.

To install Spire.XLS for .NET, you can execute the following command in the NuGet Package Manager Console:

PM> Install-Package Spire.XLS

Convert an Excel Worksheet to JPG, PNG and BMP Images in C#

JPG, PNG, and BMP are popular image file formats used to store and display digital images. Here's a concise description of each format:

JPG (or JPEG):

JPG (or JPEG) is a widely used image format known for its efficient compression algorithm. It is commonly used for storing photographs and complex images with many colors.

PNG (Portable Network Graphics):

PNG is a lossless image format designed as a replacement for GIF (Graphics Interchange Format). It supports high-quality images with transparency and a wide range of colors. PNG files are often used for graphics, logos, and images with sharp edges or text.

BMP (Bitmap):

BMP is a basic image format that stores graphics in an uncompressed form. It was developed by Microsoft and is often used when precise pixel-level control is required or when compatibility with older software or systems is necessary.

Here is a code example that shows how to convert an Excel worksheet to JPG, PNG, and BMP images using C# and Spire.XLS for .NET:

using Spire.Xls;
    using System.Drawing.Imaging;
    
    namespace ConvertExcelToImage
    {
        internal class Program
        {
            static void Main(string[] args)
            {
                //Create a Workbook object
                Workbook workbook = new Workbook();
                //Open an Excel file
                workbook.LoadFromFile("Sample.xlsx");
    
                //Get the first worksheet
                Worksheet worksheet = workbook.Worksheets[0];
    
                //Save the worksheet to JPEG, PNG, and BMP images
                worksheet.SaveToImage("Output//SheetToJPEG.jpeg", ImageFormat.Jpeg);
                worksheet.SaveToImage("Output//SheetToPNG.png", ImageFormat.Png);
                worksheet.SaveToImage("Output//SheetToBMP.bmp", ImageFormat.Bmp);
    
                workbook.Dispose();
            }
        }
    }

Convert an Excel Worksheet to an EMF Image in C#

EMF is a vector-based image format that retains the scalability and high-quality resolution of the original worksheet. Converting Excel to EMF allows for further editing and manipulation of the image using compatible software, making it suitable for professional graphics and design purposes.

Here is a code example that shows how to convert an Excel worksheet to an EMF image using C# and Spire.XLS for .NET:

using Spire.Xls;
    using System.Drawing;
    using System.Drawing.Imaging;
    using System.IO;
    
    namespace ConvertExcelToEMF
    {
        internal class Program
        {
            static void Main(string[] args)
            {
                //Create a Workbook object and load the Excel file
                Workbook workbook = new Workbook();
                workbook.LoadFromFile("Sample.xlsx");
    
                //Get the first worksheet
                Worksheet worksheet = workbook.Worksheets[0];
    
                //Create a memory stream
                using (MemoryStream stream = new MemoryStream())
                {
                    //Save the worksheet to the memory stream as EMF
                    worksheet.ToEMFStream(stream, worksheet.FirstRow, worksheet.FirstColumn, worksheet.LastRow, worksheet.LastColumn, EmfType.EmfPlusDual);
    
                    //Create an Image object from the memory stream
                    using (Image img = Image.FromStream(stream))
                    {
                        //Save the image as an EMF file
                        img.Save("Output//SheetToEMF.emf", ImageFormat.Emf);
                    }
                }
    
                workbook.Dispose();
            }
        }
    }

Convert an Excel Worksheet to an SVG Image in C#

SVG is an XML-based vector image format that supports interactivity and can be scaled without loss of quality. Converting Excel to SVG allows for dynamic and responsive rendering of the worksheet, making it ideal for web applications, data visualizations, and responsive design workflows.

Here is a code example that shows how to convert an Excel worksheet to an SVG image using C# and Spire.XLS for .NET:

using Spire.Xls;
    using System.IO;
    
    namespace ConvertExcelToSVG
    {
        internal class Program
        {
            static void Main(string[] args)
            {
                //Create a Workbook object
                Workbook workbook = new Workbook();
                //Open an Excel file
                workbook.LoadFromFile("Sample.xlsx");
    
                //Get the first worksheet
                Worksheet worksheet = workbook.Worksheets[0];
    
                //Save the worksheet to SVG
                using (FileStream fs = new FileStream("Output//SheetToSVG.svg", FileMode.Create))
                {
                    
                    worksheet.ToSVGStream(fs, worksheet.FirstRow, worksheet.FirstColumn, worksheet.LastRow, worksheet.LastColumn);
                }
    
                workbook.Dispose();
            }
        }
    }

Convert an Excel Worksheet to an Image with a Specific Resolution in C#

When converting an Excel worksheet to an image, Spire.XLS for .NET does not offer a direct method to specify the image resolution. However, you can use the methods of the Bitmap and Graphics classes to adjust the resolution of the resulting images effortlessly.

Here is a code example that shows how to convert an Excel worksheet to an image with a specific resolution using C# and Spire.XLS for .NET:

using Spire.Xls;
    using System.Drawing;
    using System.Drawing.Imaging;
    using System.IO;
    
    namespace ConvertExcelToImageWithCustomResolution
    {
        internal class Program
        {
            static void Main(string[] args)
            {
                //Create a Workbook object
                Workbook workbook = new Workbook();
                //Open an Excel file
                workbook.LoadFromFile("Sample.xlsx");
    
                //Get the first worksheet
                Worksheet worksheet = workbook.Worksheets[0];
    
                //Convert the worksheet to EMF stream
                using (MemoryStream ms = new MemoryStream())
                {
                    worksheet.ToEMFStream(ms, 1, 1, worksheet.LastRow, worksheet.LastColumn);
    
                    //Create an image from the EMF stream
                    Image image = Image.FromStream(ms);
                    //Call the ResetResolution() method to change the resolution of the image
                    Bitmap images = ResetResolution(image as Metafile, 300);
    
                    //Save the image in JPG file format
                    images.Save("Output//SheetToImageWithCustomResolution.jpg", ImageFormat.Jpeg);
                }
    
                workbook.Dispose();
            }
    
            //Create a custom method to change image resolution
            private static Bitmap ResetResolution(Metafile mf, float resolution)
            {
                int width = (int)(mf.Width * resolution / mf.HorizontalResolution);
                int height = (int)(mf.Height * resolution / mf.VerticalResolution);
                Bitmap bmp = new Bitmap(width, height);
                bmp.SetResolution(resolution, resolution);
                Graphics g = Graphics.FromImage(bmp);
                g.DrawImage(mf, 0, 0);
                g.Dispose();
                return bmp;
            }
        }
    }

Convert an Excel Worksheet to an Image without White Margins in C#

Converting an Excel worksheet to an image without white margins is useful for eliminating unnecessary white space and focusing on the content of the spreadsheet. By removing white margins, the resulting images will contain only the actual data and visuals from the Excel file, making them more visually appealing and suitable for certain use cases.

Here is a code example that shows how to convert an Excel worksheet to an image without white margins using C# and Spire.XLS for .NET:

using Spire.Xls;
    using System.Drawing.Imaging;
    
    namespace ConvertExcelToImage
    {
        internal class Program
        {
            static void Main(string[] args)
            {
                //Create a Workbook object
                Workbook workbook = new Workbook();
                //Open an Excel file
                workbook.LoadFromFile("Sample.xlsx");
    
                //Get the first worksheet
                Worksheet worksheet = workbook.Worksheets[0];
    
                //Set the margin of the worksheet to 0
                worksheet.PageSetup.LeftMargin = 0;
                worksheet.PageSetup.BottomMargin = 0;
                worksheet.PageSetup.TopMargin = 0;
                worksheet.PageSetup.RightMargin = 0;
    
                //Save the worksheet to an image
                worksheet.SaveToImage("Output//SheetToImageWithoutMargins.png", ImageFormat.Png);
    
                workbook.Dispose();
            }
        }
    }

Convert a Specific Cell Range of an Excel Worksheet to an Image in C#

In addition to converting an entire worksheet to an image, Spire.XLS for .NET allows you to convert a specific cell range to an image. This can be useful for sharing or presenting a portion of data within a worksheet.

Here is a code example that shows how to convert a specific cell range of an Excel worksheet to an image using C# and Spire.XLS for .NET:

using Spire.Xls;
    using System.IO;
    
    namespace ConvertCellRangeToImage
    {
        internal class Program
        {
            static void Main(string[] args)
            {
                //Create a Workbook object
                Workbook workbook = new Workbook();
                //Open an Excel file
                workbook.LoadFromFile("Sample.xlsx");
    
                //Get the first worksheet
                Worksheet worksheet = workbook.Worksheets[0];
                
                //Save a specific range of cells within the worksheet to an image
                worksheet.ToImage(5, 1, 16, 5).Save("Output//CellRangeToImage.png");
    
                workbook.Dispose();
            }
        }
    }

Get a Free License

To fully experience the capabilities of Spire.XLS for .NET without any evaluation limitations, you can request a free 30-day trial license.

Conclusion

This blog provides a comprehensive overview of how to convert Excel Worksheets to images using Spire.XLS for .NET. However, it's important to highlight that Spire.XLS supports converting Excel files to a variety of file formats beyond images. These additional conversion options include Excel to PDF, Excel to HTML, Excel to Text, Excel to XPS, and more.

• C#/VB.NET: Convert Excel to CSV and CSV to Excel
• C#/VB.NET: Convert XLS to XLSX and Vice versa
• C#/VB.NET: Convert Excel to Open XML or Open XML to Excel
• C#/VB.NET: Convert Excel Data to Word Tables with Formatting

PDF is a widely accepted and platform-independent file format. Converting Excel to PDF ensures that the document can be accessed and viewed by anyone with a PDF reader, thereby eliminating compatibility issues and guaranteeing consistent presentation of the data.

Furthermore, PDF files are usually read-only. In regulated industries, such as finance, healthcare, or legal sectors, compliance requirements may dictate that documents should be in non-editable formats. Converting Excel to PDF helps fulfill these regulatory obligations, ensuring data integrity and authenticity.

This article will give three examples to demonstrate how to use C# to convert Excel to PDF.

• Convert Excel XLS XLSX to PDF in C#
• Convert a Specific Worksheet to PDF in C#
• Convert Each Worksheet to a Separate PDF File in C#

C# Excel to PDF Converter Library

To use C# for Excel to PDF conversion, Spire.XLS for .NET library is required. It is a powerful library that provides full support for working with Excel files in .NET platforms. It gives developers the flexibility to convert Excel to a variety of file formats such as Excel to PDF, Excel to HTML, Excel to image, Excel to CSV, etc., enabling seamless integration with different applications and systems.

Installation:

Before getting started, download the C# Excel to PDF converter to manually add the DLL files as references in your .NET project. Or install it directly via NuGet.

PM> Install-Package Spire.XLS

Classes and Properties:

Once installed, you can use the following classes, properties and methods provided by the Spire.XLS for .NET library to programmatically convert Excel to PDF in C#.

Convert Excel XLS XLSX to PDF in C#

To save Excel as PDF in C#, simply load a .xls or .xlsx file, and then call the SaveToFile method to save it in PDF format. During the process, you can control the conversion settings through the ConverterSetting class.

The following code example shows how to convert an Excel (XLS/XLSX) file to PDF.

using Spire.Xls;

namespace ConvertExcelToPDF
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Workbook instance
            Workbook workbook = new Workbook();

            //Load a sample Excel file 
            workbook.LoadFromFile("C:\\Users\\Administrator\\Desktop\\Planner.xlsx");

            //Set worksheets to fit to page when converting
            workbook.ConverterSetting.SheetFitToPage = true;

            //Save Excel XLSX as PDF
            workbook.SaveToFile("XlsxToPdf.pdf", FileFormat.PDF);
        }
    }
}

Convert a Specific Worksheet to PDF in C#

The Worksheet.SaveToPdf() method is used to save a specific worksheet as PDF. If you want to set the page margins, sizes, or other attributes of the worksheet to achieve a desired rendering effect, you can use the corresponding properties of the PageSetup Class.

The following code example shows how to convert a specific worksheet to PDF.

using Spire.Xls;

namespace ConvertWorksheetToPdf
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Workbook instance
            Workbook workbook = new Workbook();

            //Load a sample Excel file
            workbook.LoadFromFile("C:\\Users\\Administrator\\Desktop\\Planner.xlsx");


            //Get the third worksheet
            Worksheet sheet = workbook.Worksheets[2];

            //Set page margins
            sheet.PageSetup.TopMargin = 0.6;
            sheet.PageSetup.BottomMargin = 0.6;
            sheet.PageSetup.LeftMargin = 0.6;
            sheet.PageSetup.RightMargin = 0.6;

            //Set worksheet to fit to page when converting
            workbook.ConverterSetting.SheetFitToPage = true;

            //Convert the worksheet to PDF
            sheet.SaveToPdf("WorksheetToPdf.pdf");
        }
    }
}

Convert Each Worksheet to a Separate PDF File in C#

The first code example converts each worksheet into a single page in a PDF file. With Spire.XLS for .NET library, it is also allowed to iterate through the worksheets and save each as a separate PDF file.

The following code example shows how to convert each worksheet in an Excel file to a separate PDF file.

using Spire.Xls;

namespace WorksheetToPdf
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Workbook instance
            Workbook workbook = new Workbook();

            //Load a sample Excel file
            workbook.LoadFromFile("C:\\Users\\Administrator\\Desktop\\Planner.xlsx");

            //Set worksheets to fit to page when converting
            workbook.ConverterSetting.SheetFitToPage = true;

            //Iterate through the worksheets in the Excel file 
            foreach (Worksheet sheet in workbook.Worksheets)
            {
                //Convert each worksheet to a different PDF file
                string FileName = sheet.Name + ".pdf";
                sheet.SaveToPdf("Sheets\\" + FileName);
            }
        }
    }
}

Free Excel to PDF Online Converter

Try this online converter to convert your Excel XLS or XLSX files to PDF format for free. But please be aware that the free converter only supports simple conversion without additional settings. You can upload an Excel file and wait a few seconds to get the Excel to PDF conversion done.

Conclusion

In this post, you have gained knowledge on how to use C# to convert Excel to PDF programmatically. The main classes, properties, and methods involved in the Excel to PDF conversion process have been thoroughly explained, and complete sample code for converting an Excel workbook or worksheet to PDF have also been provided.

To explore more about the Spire.XLS for .NET library, refer to the documentation, where you can find other Excel generation, processing, and conversion features along with the code examples.

• Convert PDF to Excel in C#
• Convert Excel to SVG in C#
• Convert Excel to CSV or CSV to Excel in C#

The main advantage of PDF files is their ability to always maintain the format and layout of the original document, which makes them ideal for sharing and printing. However, they are often difficult to edit or modify without specialized software. In this case, converting PDF to Word provides you with greater flexibility. With this conversion, you can easily make various changes to the document content, such as modifying the text, adding or deleting text, and adjusting formatting and styles to make it meet your needs. In this article, I will show you a simple but effective way to convert PDF to Word via Python.

• Python Library for PDF Conversion
• Convert PDF to DOC
• Convert PDF to DOCX
• Set Document Properties at Conversion
• Get a Free License for the Library

Python Library for PDF Conversion

Spire.PDF for Python is a powerful PDF manipulation API that allows you to create, modify or convert PDF files on Python platforms. With it, you are able to use Python code to convert PDF to Word effortlessly and set document properties during the conversion. Before that, please install Spire.PDF for Python and plum-dispatch v1.7.4 using the following pip commands.

pip install Spire.PDF

This article covers more details of the installation: How to Install Spire.PDF for Python in VS Code

Convert PDF to DOC in Python

If you want to edit the content of PDF, converting it to Word format first is a good choice. Take PDF to DOC conversion as an example. You only need to load the PDF and save it in DOC format to the desired location.

Steps

1. Import the necessary library modules.
2. Create a PdfDocument object.
3. Use the PdfDocument.LoadFromFile() method to load a PDF file from the specified path.
4. Call the PdfDocument.SaveToFile() method to save the PDF in Word format, specifying FileFormat as DOC.
5. Close the PdfDocument object.

Sample Code

from spire.pdf.common import *
from spire.pdf import *

# Create a PdfDocument object
pdf = PdfDocument()

# Load a PDF file from the specified path
pdf.LoadFromFile("C:/Users/Administrator/Desktop/Sample.pdf")

# Save the PDF in DOC format
pdf.SaveToFile("C:/Users/Administrator/Desktop/ToDoc.doc", FileFormat.DOC)

# Close the PdfDocument object
pdf.Close()

Convert PDF to DOCX in Python

This method is the same as the one above. You only need to specify the format as DOCX when saving the generated file at the end.

Steps

1. Import the necessary library modules.
2. Create a PdfDocument object.
3. Use the PdfDocument.LoadFromFile() method to load a PDF file from the specified path.
4. Call the PdfDocument.SaveToFile() method to save the PDF in Word format, specifying FileFormat as DOCX.
5. Close the PdfDocument object.

Sample Code

from spire.pdf.common import *
from spire.pdf import *

# Create a PdfDocument object
pdf = PdfDocument()

# Load a PDF file from the specified path
pdf.LoadFromFile("C:/Users/Administrator/Desktop/Sample.pdf")

# Save the PDF in DOCX format
pdf.SaveToFile("C:/Users/Administrator/Desktop/ToDocx.docx", FileFormat.DOCX)

# Close the PdfDocument object
pdf.Close()

Set Document Properties at Conversion in Python

In addition to regular conversions, you can also customize document properties during PDF to Word conversion. This can help you better categorize and manage your documents.

Steps

1. Import the required library modules.
2. Create a PdfToDocConverter object and pass in the path of the PDF file to be converted as a parameter.
3. Customize the properties of the converted Word document through the properties of PdfToDocConverter class.
4. Call the PdfToDocConverter.SaveToDocx() method to save the PDF in Word format.

Sample Code

from spire.pdf.common import *
from spire.pdf import *

# Create a PdfToDocConverter object
converter = PdfToDocConverter("C:/Users/Administrator/Desktop/Sample.pdf")

# Customize the properties for the file
converter.DocxOptions.Title = "World Environment Day"
converter.DocxOptions.Subject = "Promoting Sustainable Actions for a Greener Future."
converter.DocxOptions.Tags = "Environmental Protection"
converter.DocxOptions.Categories = "Environment"
converter.DocxOptions.Commments = "This is an article about environmental protection."
converter.DocxOptions.Authors = "Mark"
converter.DocxOptions.LastSavedBy = "Johnny"
converter.DocxOptions.Revision = 5
converter.DocxOptions.Version = "V4.0"
converter.DocxOptions.ProgramName = "Green Development"
converter.DocxOptions.Company = "New Technology"
converter.DocxOptions.Manager = "Andy"

# Save the PDF in DOCX format
converter.SaveToDocx("C:/Users/Administrator/Desktop/SetProperties.docx")

Get a Free License for the Library to Convert PDF Files

You can get a free 30-day temporary license of Spire.PDF for Python to use Python script to convert PDF to Word without any evaluation limitation.

Conclusion

In this article, you have learned how to convert PDF to Word with Python easily. With Spire.PDF for Python library, you can also create PDF from scratch or edit it as needed. In short, this library simplifies the process and allows developers to focus on creating powerful applications that perform PDF manipulation tasks.

• Conversion Between Excel and CSV
• Convert PDF to Excel in Python
• Python HTML to PDF Conversion