Convert XML to PDF file via Java using REST API

How to Convert XML to PDF File in Java using REST API.

XML (eXtensible Markup Language) is a great data format for storing, structuring documents, and exchanging information. On the other hand, PDF (Portable Document Format) is a versatile file format that is secure, easily readable, and accessible. In certain scenarios, you may need to convert XML files to PDF documents for better security and document management. In this article, we will explore how to convert XML to PDF file in Java using REST API.

We will cover the following topics in this article:

Java XML to PDF Conversion Library and SDK Installation

GroupDocs.Conversion Cloud SDK for Java is a cloud-based document conversion solution that helps Java developers to convert various document formats to PDF programmatically in Java. It allows you to convert documents, images, spreadsheets, presentations, and many other file types to PDF with just a few lines of code. This RESTful API can be integrated into your Java applications to provide a fast and reliable conversion solution.

You can either download the API’s JAR file or install it using Maven by adding the following repository and dependency into your project’s pom.xml file:

Maven Repository:

    <name>GroupDocs Artifact Repository</name>

Maven Dependency:


Next, sign up for a free trial account on GroupDocs and get your API key. Once you have the Application Id and Application Secret, add below code snippet to a Java-based application:

How to Convert XML File to PDF in Java using REST API

Here is a step-by-step guide on how to convert XML to PDF programmatically in Java using GroupDocs.Conversion Cloud SDK for Java:

Upload the File

Firstly, upload the XML file to the cloud using the code snippet given below:

As a result, the uploaded XML file will be available in the files section of your dashboard on the cloud.

Convert XML to PDF File in Java

In this section, we will cover the steps and the code snippet to convert an XML file to a PDF file format programmatically in Java.

The steps are:

  • Firstly, import the required classes into your Java file.
  • Secondly, create an instance of the ConvertApi class.
  • Thirdly, create an instance of ConvertSettings class.
  • Next, provide your cloud storage name.
  • Now, set the source file path and the target format to “pdf”.
  • After that, set the output file path.
  • Then, create the ConvertDocumentRequest class instance and pass the settings parameter.
  • Finally, convert XML to PDF by calling the convert_document() method and passing the ConvertDocumentRequest parameter.

Below code snippet shows how to convert XML to PDF file in Java using REST API. Copy & paste the following code into your Java application:

The output can be seen in the image below:

How to Convert XML to PDF file in Java using REST API.

Convert XML to PDF File via Java using REST API.

Download the Converted File

The above code sample will save the converted PDF file in the cloud. You can download it using the following code sample:

Free Online XML to PDF Converter

How to convert XML to PDF online for free? Please try the following online XML to PDF converter. This converter is developed using the above-mentioned GroupDocs.Conversion Cloud REST API.


To conclude, converting XML to PDF provides many benefits for document management and better accessibility. It makes it a great choice for businesses and individuals who want to ensure their files are secure, organized, and easily readable. Hopefully, you have enjoyed the article and learned:

  • how to convert XML to PDF file programmatically in Java;
  • programmatically upload XML files and then download the converted PDF file from the cloud;
  • and convert any XML file to PDF for free using a free online XML to PDF converter.

In addition, you can learn more about GroupDocs file format conversion API using the documentation, or examples available on GitHub. We also provide an API Reference section that lets you visualize and interact with our APIs directly through the browser.

Finally, we keep writing new blog articles on different file formats and conversions using REST API. So, please stay in touch for regular updates.

Ask a question

You can ask your queries about XML to PDF conversion, via our forum.


What is GroupDocs.Conversion Cloud SDK for Java?

GroupDocs.Conversion Cloud SDK for Java is a software development tool that enables Java developers to convert files from one format to another in the cloud.

How do you convert an XML file to PDF via Java?

Use the ConvertDocument method of the ConversionApi class and pass the path of the input XML file and the path of the output PDF file as parameters. The code snippet provided demonstrates the steps to convert an XML file to a PDF file using REST API.

How do I convert an XML to a PDF file online for free?

Please follow the step-by-step instructions to convert an XML file to PDF online for free:

  • Open online XML to PDF converter.
  • Now, click inside the file drop area to upload an XML file or drag & drop an XML file.
  • Next, click on the Convert Now button. Online XML to PDF converter will transform XML into a PDF file.
  • The download link of the output file will be available instantly after conversion.

How to convert XML to PDF on Windows?

Please visit the download link to download the XML to PDF offline converter for Windows. This free XML to PDF converter can be used to convert XML documents to PDF files on Windows quickly, with a single click.

See Also

If you want to learn more about related topics, we recommend reading the articles listed below: