Open the site and drag and drop PDF file to optimize and compress it online. Or just use a code sample in C++. Install Aspose.Words Cloud for C++ Add a library reference (import the library) to your C++ project Configure API using your app keys Load the source PDF to compress Compress PDF, clean unused information Select the output file format Get the result of PDF compression as a separate file

Does your C++ library support compressing PDF programmatically?

Our C++ library allows developers to programmatically compress PDF

What output file formats can I use to compress PDF files?

We support a variety of output file formats for PDF optimization, including DOCX, DOC, RTF, ODT, EPUB, JPG, PNG, XLS, XLSX, WPS and many more.

What is the maximum PDF size supported by Aspose.Words for C++?

There are no size limits to compress PDF files using Aspose.Words for C++.

C++ Compress PDF REST API

Compress PDF in C++

Using our powerful C++ API, developers can compress PDF documents to optimize content and output file size. Reducing PDF size occurs by cleaning up unused data and resources. You can also compress images inside PDF to make the output file size even smaller.

The result of content optimization and compression can be saved in the original PDF or any available save format – DOCX, DOC, RTF, HTML and many others. For example, compress PDF and save the output as Word.

Reduce PDF file size in C++

As mentioned, our C++ SDK allows you to programmatically reduce PDF size. And now you can try our powerful functionality and evaluate how to compress PDF in C++ with the following example:

Compress PDF using C++

Input file

Upload a file you want to optimize/compress

Run code

Image quality

Image reduction ratio

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 requestDocument = std::shared_ptr<std::istream>(
   new std::ifstream(std::filesystem::path(L"Input.pdf"), std::istream::binary));
auto requestCompressOptions = std::make_shared<aspose::words::cloud::models::CompressOptions>();
requestCompressOptions->setImagesQuality(std::make_shared<int32_t>(75));
requestCompressOptions->setImagesReduceSizeFactor(std::make_shared<int32_t>(1));
std::shared_ptr<requests::CompressDocumentOnlineRequest> compressDocumentRequest(
    new requests::CompressDocumentOnlineRequest(
        requestDocument, requestCompressOptions
    )
);
auto compressDocument = wordsApi->compressDocumentOnline(compressDocumentRequest);

auto requestDocument = std::shared_ptr<std::istream>(
   compressDocument->document->values.begin, std::istream::binary));
std::shared_ptr<requests::ConvertDocumentRequest> convertDocument(
    new requests::ConvertDocumentRequest(
        requestDocument, std::make_shared<std::wstring>(L"pdf")
    )
);
wordsApi->convertDocument(convertDocument);
					Run code
				

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How to compress PDF C++ REST API

Install Aspose.Words Cloud for C++
Add a library reference (import the library) to your C++ project
Configure API using your app keys
Load the source PDF to compress
Compress PDF, clean unused information
Select the output file format
Get the result of PDF compression as a separate file

C++ library to use PDF compression

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.