Convert Excel to PDF with GroupDocs.Conversion Java

Introduction

Do you need to convert Excel to PDF quickly while keeping the output tidy and free of empty rows or columns? Many developers struggle with bulky PDFs that contain unnecessary whitespace, making the final document look unprofessional. In this tutorial, we’ll show you how to use GroupDocs.Conversion Java to generate a clean PDF from an Excel workbook in just a few lines of code. By the end of this guide you’ll be able to:

  • Set up GroupDocs.Conversion in a Maven project
  • Configure load options to skip empty rows and columns
  • Convert an Excel sheet to PDF efficiently
  • Apply the solution to real‑world scenarios such as automated reporting or document archiving

Let’s get started!

Quick Answers

  • What library handles the conversion? GroupDocs.Conversion Java
  • Primary feature used? SpreadsheetLoadOptions.setSkipEmptyRowsAndColumns(true)
  • Minimum Java version? JDK 8 or higher
  • Can it process many files? Yes – combine this code with batch logic for bulk conversion
  • Do I need a license? A temporary or trial license is required for production use

What is “convert excel to pdf”?

Converting Excel to PDF means transforming a spreadsheet (.xlsx, .xls) into a fixed‑layout PDF document. This ensures the content looks the same on any device and is ideal for sharing, printing, or archiving.

Why use GroupDocs.Conversion Java for this task?

GroupDocs.Conversion provides a high‑level API that abstracts the complexities of file format handling. It offers:

  • Smart loading options (e.g., skip empty rows/columns)
  • One‑page‑per‑sheet conversion for concise PDFs
  • Cross‑platform compatibility – works on Windows, Linux, and macOS
  • Batch processing support for large‑scale automation

Prerequisites

Before we dive into the code, make sure you have:

  1. Java Development Kit (JDK) 8+ – download from Oracle’s website
  2. Maven – get it from maven.apache.org
  3. GroupDocs.Conversion Java – we’ll add it as a Maven dependency

Required Libraries and Dependencies

Add the following repository and dependency to your pom.xml:

<repositories>
   <repository>
      <id>repository.groupdocs.com</id>
      <name>GroupDocs Repository</name>
      <url>https://releases.groupdocs.com/conversion/java/</url>
   </repository>
</repositories>
<dependencies>
   <dependency>
      <groupId>com.groupdocs</groupId>
      <artifactId>groupdocs-conversion</artifactId>
      <version>25.2</version>
   </dependency>
</dependencies>

License Acquisition

How to Convert Excel to PDF with GroupDocs.Conversion Java

Below is a step‑by‑step walkthrough that includes generate pdf from excel using the library’s advanced options.

Step 1: Configure Load Options

First, tell the converter to ignore empty rows and columns and to place each sheet on a single PDF page.

import com.groupdocs.conversion.options.load.SpreadsheetLoadOptions;

String inputFilePath = "YOUR_DOCUMENT_DIRECTORY/sample.xlsx"; // Input file path

// Configure load options to skip empty rows and columns and set one page per sheet.
SpreadsheetLoadOptions loadOptions = new SpreadsheetLoadOptions();
loadOptions.setSkipEmptyRowsAndColumns(true);
loadOptions.setOnePagePerSheet(true);

Explanation: SpreadsheetLoadOptions controls how the spreadsheet is read. Enabling setSkipEmptyRowsAndColumns(true) removes blank space, producing a tighter PDF.

Step 2: Initialize the Converter

Create a Converter instance that will handle the transformation.

import com.groupdocs.conversion.Converter;

// Initialize the converter with the input file path and load options.
Converter converter = new Converter(inputFilePath, () -> loadOptions);

Explanation: The lambda supplies the previously defined loadOptions whenever the converter needs to load the document.

Step 3: Prepare PDF Conversion Options

Although the default settings work for most cases, you can customize the PDF output if needed.

import com.groupdocs.conversion.options.convert.PdfConvertOptions;

// Create PdfConvertOptions (optional, as default options are used here).
PdfConvertOptions pdfConvertOptions = new PdfConvertOptions();

Explanation: PdfConvertOptions lets you tweak margins, page size, and other PDF‑specific settings.

Step 4: Execute the Conversion

Finally, run the conversion and write the PDF to disk.

String outputFilePath = "YOUR_OUTPUT_DIRECTORY/converted.pdf"; // Output file path

// Perform the conversion from spreadsheet to PDF.
converter.convert(outputFilePath, pdfConvertOptions);

Explanation: The convert method produces a PDF that contains only the populated cells, thanks to the skip‑empty‑rows/columns option.

Common Issues & Troubleshooting

  • Incorrect file path – double‑check both input and output paths.
  • Permission errors – ensure the Java process has read/write rights on the directories.
  • Large workbooks – allocate more heap memory (-Xmx2g) to avoid OutOfMemoryError.

Practical Use Cases

  • Automated report generation – turn daily Excel reports into sleek PDFs for stakeholders.
  • Document archiving – store financial statements as PDFs without the clutter of empty cells.
  • Batch excel pdf conversion – loop over a folder of spreadsheets and apply the same logic for high‑volume processing.

Performance Tips

  • Memory management – release the Converter object after each conversion (converter.close()).
  • Batch processing – process files in small groups to keep memory usage predictable.
  • Monitoring – log conversion time and memory consumption to identify bottlenecks.

Conclusion

You now have a complete, production‑ready method to convert Excel to PDF using GroupDocs.Conversion Java while automatically removing empty rows and columns. Incorporate this pattern into your reporting pipelines, document management systems, or any scenario where clean PDF output is essential.

Frequently Asked Questions

Q1: Can I convert other document types with GroupDocs.Conversion Java?
A1: Yes! The library supports many formats, including Word, PowerPoint, and images.

Q2: The PDF still shows empty rows—what should I check?
A2: Verify that loadOptions.setSkipEmptyRowsAndColumns(true) is called before creating the Converter.

Q3: How do I handle exceptions during conversion?
A3: Wrap the conversion code in a try‑catch block and log the exception details for debugging.

Q4: Can I customize the PDF layout (margins, orientation)?
A4: Absolutely. Use PdfConvertOptions to set margins, page size, and orientation.

Q5: Is GroupDocs.Conversion usable in a non‑Maven project?
A5: Yes, you can download the JAR files directly from the GroupDocs website.

Last Updated: 2026-01-18
Tested With: GroupDocs.Conversion 25.2
Author: GroupDocs