How to use API to merge PDF to PNG?

Open the site: PDF to PNG . Drag and drop PDF files to merge them to PNG. Or just use a code example in C++. Install C++ SDK and add the reference (import the library) to your C++ project. Open the source PDF file in C++. Load a document to append from the Cloud storage. Call the 'appendDocumentOnline()' method, passing the output filename with the required extension. Get the combined result in PNG format as a single file.

What other file formats can I merge my PDF to?

We support a variety of output file formats, including Microsoft Word, OpenOffice, PDF, Web document formats and many more.

What is the maximum size of a PDF file supported by this C++ library?

There are no file size limits for merging PDF files with our C++ SDK.

PDF To PNG API For C++

Combine PDF to PNG using C++ REST API

Easily merge PDF documents and export the result to PNG graphic format in C++ code. This C++ 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 C++ 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 C++ software.

Merge several PDF into one PNG image in C++

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 C++ 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 C++

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

C++ code example to merge PDF to PNG using REST API

Input files

Upload files you want to combine

Run code

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Output format

Select the target format from the list

using namespace aspose::words::cloud;

auto config = std::make_shared<ApiConfiguration>(L"####-####-####-####-####",
   L"##################");
auto wordsApi = std::make_shared<WordsApi>(config);

auto document = std::shared_ptr<std::istream>(new std::ifstream(
   std::filesystem::path(L"Input1.pdf"), std::istream::binary));
auto mergeProps = std::make_shared<aspose::words::cloud::models::DocumentEntry>();
mergeProps->setFileReference(
   std::make_shared<aspose::words::cloud::models::FileReference>(
      std::make_shared<std::wstring>(L"Input2.pdf"));
mergeProps->setImportFormatMode(std::make_shared<std::wstring>(L"KeepSourceFormatting"));

auto documentEntries = 
   std::make_shared<std::vector<std::shared_ptr<aspose::words::cloud::models::DocumentEntry>>>();
documentEntries->push_back(mergeProps);

auto documentList = std::make_shared<aspose::words::cloud::models::DocumentEntryList>();
documentList->setDocumentEntries(documentEntries);
std::shared_ptr<requests::AppendDocumentOnlineRequest> appendDocumentOnline(
    new requests::AppendDocumentOnlineRequest(
        document, documentList
    )
);
auto mergedDocs = wordsApi->appendDocumentOnline(appendDocumentOnline);

std::shared_ptr<requests::SplitDocumentOnlineRequest> splitDocumentOnline(
    new requests::SplitDocumentOnlineRequest(
        mergedDocs, std::make_shared<std::wstring>(L"png"), 
		   std::make_shared<bool>(true)
    )
);
wordsApi->splitDocumentOnline(splitDocumentOnline);

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How to use C++ to merge PDF to PNG

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

C++ library to merge PDF to PNG

Clone Aspose.Words Cloud SDK for C++ source code from GitHub. You can find detailed information on building and configuring the SDK in the "How to use the SDK" section.

To quickly get the necessary security credentials and access our REST API, please follow these Instructions in the documentation.