Convert multiple ODT to PDF in Java

High-speed Java library to convert several ODT into PDF

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

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Convert ODT to one PDF in Java

Java library allows Java developers to convert ODT to PDF with a few lines of code. ODT conversion engine analyses the original ODT layout and structure, and exports the combined content to PDF format.

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

Merge ODT to PDF

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

Convert multiple ODT and save the result as a single PDF. If you develop code in Java, this will be simpler than it sounds. See Java example that iterates through documents and converts them to PDF:

Code example in Java to combine multiple ODT 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.odt", "Input2.odt");

Document output = new Document();
// Remove all content from the destination document before appending.
output.removeAllChildren();

for (String fileName : fileNames)
{
    Document input = new Document(fileName);
    // Append the source document to the end of the destination document.
    output.appendDocument(input, ImportFormatMode.KEEP_SOURCE_FORMATTING);
}

output.save("Output.pdf");
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How to convert several ODT into PDF

  1. Install Aspose.Words for Java.
  2. Add a library reference (import the library) to your Java project.
  3. Open the source ODT file in Java.
  4. Convert several ODT 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 ODT into PDF.

Java library to convert several ODT 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 ODT Merge operations

You can merge ODT to many other file formats:

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