Open the site: JPG . Drag and drop JPG files to optimize and compress them online. Or just use a code sample in C++. Install Aspose.Words for C++. Add a library reference (import the library) to your C++ project. Open the source JPG file in C++. Compress JPG without losing quality. Call the Document.Cleanup() method. The resulting code may vary depending on the output file format. Get the compressed result as a JPG file.

Why compress JPG files in C++?

Compressing JPG allows you to improve the use of disk spaces and network traffic without sacrificing data quality.

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

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

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

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

C++ Compress JPG

Compress JPG file in C++

Make large JPG files smaller without loss of quality. Delete unnecessary and unused data. Shrink the size of a JPG file in code. The C++ library provides developers with an integrated API to optimize JPG content.

Reduce the size of JPG files using C++

C++ library is a stand-alone solution and doesn't require any third party software installed.

Lossless compression and deep content optimization made easy with 'Aspose.Words for C++'. The following example demonstrates how to optimize the content of a JPG file in C++:

Code example in C++ to compress JPG files

Input file

Upload a file you want to optimize/compress

Run code

Output format

Select the target format from the list

JpegQuality

50%

dotnet add package Aspose.Words.Cpp

Copy

using namespace Aspose::Words;

auto doc = MakeObject<Document>();
auto builder = MakeObject<DocumentBuilder>(doc);

auto shape = builder->InsertImage(u"Input.jpg");

auto saveOptions = MakeObject<ImageSaveOptions>(SaveFormat::Jpeg);
saveOptions->set_JpegQuality(50);
shape->GetShapeRenderer()->Save(u"Output.jpg", saveOptions);

							using namespace Aspose::Words;

auto doc = MakeObject<Document>(u"Input.jpg");
doc->Cleanup();

auto nodes = doc->GetChildNodes(NodeType::Shape, true);
for (const auto& shape : System::IterateOver<Shape>(nodes))
{
    if (shape->get_HasImage())
    {
        // It's up to developer to choose the library for image compression.
        auto image =
           System::Drawing::Image::FromStream(shape->get_ImageData()->ToStream());

        // ...
        // Compress image and set it back to the shape.
        shape->get_ImageData()->SetImage("yourCompressedImage");
    }
}

auto saveOptions = MakeObject<PdfSaveOptions>();
saveOptions->set_CacheBackgroundGraphics(true);

doc->Save(u"Output.jpg", saveOptions);
 
							using namespace Aspose::Words;

auto doc = MakeObject<Document>(u"Input.jpg");
doc->Cleanup();

auto nodes = doc->GetChildNodes(NodeType::Shape, true);
for (const auto& shape : System::IterateOver<Shape>(nodes))
{
    if (shape->get_HasImage())
    {
        // It's up to developer to choose the library for image compression.
        auto image = System::Drawing::Image::Fromstream(shape->get_ImageData()->ToStream());

        // ...
        // Compress image and set it back to the shape.
        shape->get_ImageData()->SetImage("yourCompressedImage");
    }
}

doc->Save(u"Output.jpg");
 
							using namespace Aspose::Words;

auto doc = MakeObject<Document>(u"Input.jpg");
doc->Cleanup();

auto nodes = doc->GetChildNodes(NodeType::Shape, true);
for (const auto& shape : System::IterateOver<Shape>(nodes))
{
    if (shape->get_HasImage())
    {
        // It's up to developer to choose the library for image compression.
        auto image = 
           System::Drawing::Image::FromStream(shape->get_ImageData()->ToStream());

        // ...
        // Compress image and set it back to the shape.
        shape->get_ImageData()->SetImage("yourCompressedImage");
    }
}

auto saveOptions = MakeObject<OoxmlSaveOptions>();
saveOptions->set_CompressionLevel(CompressionLevel::Maximum);

doc->Save(u"Output.jpg", saveOptions); 
							using namespace Aspose::Words;

auto doc = MakeObject<Document>();
auto builder = MakeObject<DocumentBuilder>(doc);

auto shape = builder->InsertImage(u"Input.jpg");

auto saveOptions = MakeObject<ImageSaveOptions>(SaveFormat::Jpeg);
saveOptions->set_JpegQuality(50);
shape->GetShapeRenderer()->Save(u"Output.jpg", saveOptions);
 
			

					Run code
				

You may freely copy this code and use it in any applicable purpose

How to compress JPG C++

Install Aspose.Words for C++.
Add a library reference (import the library) to your C++ project.
Open the source JPG file in C++.
Compress JPG without losing quality.
Call the Document.Cleanup() method. The resulting code may vary depending on the output file format.
Get the compressed result as a JPG file.

C++ library to optimize and compress JPG files

There are three options to install Aspose.Words for C++ to your developer environment. Please choose one that resembles your needs and follow the step-by-step instructions:

Install a NuGet Package. See Documentation
Install the library using Package Manager Console within Visual Studio IDE
Install the library manually using Windows Installer

System Requirements

You can use this C++ library to develop software on Microsoft Windows, Linux and macOS operating systems:

GCC >= 6.3.0 and Clang >= 3.9.1 are required for Linux
Xcode >= 12.5.1, Clang and libc++ are required for macOS

If you develop software for Linux or macOS, please check information on additional library dependencies (fontconfig and mesa-glu open-source packages) in Product Documentation.

You can optimize files in many other file formats: