Convert multiple JPG to PDF in Java

High-speed Java library to convert several JPG into PDF

Use our document merging API to create portable, robust and secure software in Java. This is a professional solution to convert multiple JPG into PDF using Java. Try it online for free!

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Convert JPG to PDF in Java

Modern Java library allows Java developers to convert JPG images to PDF format with a few lines of code. JPG image conversion engine analyses the original graphical content, and exports the combined picture as a PDF document.

Use Java to convert JPG images to PDF format with maximum flexibility and speed. Run online live demo and check the highest output PDF quality right in a browser. JPG Conversion API supports a bunch of useful options.

Merge JPG images into PDF in Java

To convert several JPG images to PDF just use Java library that handles all low-level details.

Convert multiple JPG images and save the result as a single PDF document. If you develop code in Java, image format conversion will be simpler than it sounds. See Java example that iterates through image files and combines them into one PDF document:

Code example in Java to combine multiple JPG to PDF
Upload a file you want to merge
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Upload a file you want to merge
Select the target format from the list
// Repository path: https://releases.aspose.com/java/repo/
// Maven, where 'ver' - Aspose.Words version number, for example, 24.4.
<dependency>
  <groupId>com.aspose</groupId>
  <artifactId>aspose-words</artifactId>
  <version>ver</version>
  <classifier>jdk17</classifier>
</dependency>
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// Repository path: https://releases.aspose.com/java/repo/
// Gradle, where 'ver' - Aspose.Words version number, for example, 24.4.
compile(group: 'com.aspose', name: 'aspose-words', version: 'ver', classifier: 'jdk17')
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// Repository path: https://releases.aspose.com/java/repo/
// Ivy, where 'ver' - Aspose.Words version number, for example, 24.4.
<dependency org="com.aspose" name="aspose-words" rev="ver">
 <artifact name="aspose-words" m:classifier="jdk17" ext="jar"/>
</dependency>
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// Repository path: https://releases.aspose.com/java/repo/
// Sbt, where 'ver' - Aspose.Words version number, for example, 24.4.
libraryDependencies += "com.aspose" % "aspose-words" % "ver"
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import com.aspose.words.*;

List<String> fileNames = Arrays.asList("Input1.jpg", "Input2.jpg");

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

for (String fileName : fileNames)
{
    builder.insertImage(fileName);
    // Insert a paragraph break to avoid overlapping images.
    builder.writeln();
}

doc.save("Output.pdf");
Run code

How to convert several JPG into PDF

  1. Install Aspose.Words for Java.
  2. Add a library reference (import the library) to your Java project.
  3. Open the source JPG file in Java.
  4. Convert several JPG files into PDF in a few seconds.
  5. Call the appendDocument() method, passing an output filename with PDF extension.
  6. Get the result of conversion JPG into PDF.

Java library to convert several JPG into PDF

We host our Java packages in Maven repositories. 'Aspose.Words for Java' is a common JAR file containing byte-code. Please follow the step-by-step instructions on how to install it to your Java developer environment.

System Requirements

Java SE 7 and more recent Java versions are supported. We also provide a separate package for Java SE 6 in case you are obliged to use this outdated JRE.

Our Java package is cross-platform and runs on all operating systems with JVM implementation, including Microsoft Windows, Linux, macOS, Android and iOS.

For information on optional package dependencies, such as JogAmp JOGL, Harfbuzz font engine, Java Advanced Imaging JAI, please refer to Product Documentation.

Other Supported JPG Merge operations

You can merge JPG to many other file formats:

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