Java API to merge PDF to PNG

Java Cloud SDK to combine PDF files and export the result to PNG format

Use Java library to merge PDF to PNG via REST API. Easily combine two or more PDF files into a single PNG file using Java.

Combine PDF to PNG using Java REST API

Easily merge PDF documents and export the result to PNG graphic format in Java code. This Java library is designed to combine multiple PDF files into a single PNG image using the REST API, i.e. by passing HTTPS calls over the Internet.

This is a professional Cloud-native PDF to PNG merging solution that provides Java programmers with both great development flexibility and powerful features. By merging documents, you can automate your digital PDF/PNG workflows and offload some routine parts of the process to fast and efficient PDF processing Java software.

Merge several PDF into one PNG image in Java

You may need to combine PDF files into a single PNG image in many cases. For example, you may want to combine multiple PDF files together before printing or archiving.

PDF merging can be part of a whole integrated document-processing approach for generating PNG images from disparate data sources. Such tasks involve the use of a full-featured PDF/PNG manipulation Java library that will process a set of PDF files and merge them together in the shortest possible time, producing a compact and accurate graphical output.

Merge PDF to PNG in Java

To perform PDF to PNG merging in Java, you need at least two source PDF documents. For a quick start, please check out the Java code example below.

Java code example to merge PDF to PNG using REST API
Input files
Upload files you want to combine
Upload files you want to combine
Output format
Select the target format from the list

ApiClient apiClient = new ApiClient("####-####-####-####-####", "##################", null);
WordsApi wordsApi = new WordsApi(apiClient);

byte[] document = Files.readAllBytes(
DocumentEntry mergeProps = new DocumentEntry();
mergeProps.setFileReference(new FileReference("Input2.pdf"));

ArrayList documentEntries = new ArrayList();

DocumentEntryList documentList = new DocumentEntryList();

AppendDocumentOnlineRequest appendDocumentOnline = new AppendDocumentOnlineRequest(
   document, documentList, null, null, null, null, null, null);
AppendDocumentOnline mergedDocs = wordsApi.appendDocumentOnline(appendDocumentOnline);

SplitDocumentOnlineRequest splitDocumentOnline = new SplitDocumentOnlineRequest(
   mergedDocs, "png", null, null, null, null, null, null, true, null);
Copy Java code to the clipboard

How to use Java to merge PDF to PNG

  1. Install Java SDK and add the reference (import the library) to your Java project.
  2. Open the source PDF file in Java.
  3. Load a document to append from the Cloud storage.
  4. Call the 'appendDocumentOnline()' method, passing the output filename with the required extension.
  5. Get the combined result in PNG format as a single file.

Java library to merge PDF to PNG

Install 'Aspose.Words Cloud SDK for Java' using Maven build automation tool.

Add this dependency to your project's POM : aspose-cloud artifact.aspose-cloud-releases com.aspose aspose-words-cloud 22.4.0

As an alternative, you can clone Aspose.Words Cloud SDK for Java source code from GitHub and use it in your project. Please follow these Instructions to quickly get the necessary security credentials and access our REST API.

System Requirements

Refer to the Repository Documentation to see the details.

Other popular formats for merging files

You can use other popular formats:


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