Convert image to PNG in Java

High-speed Java library for converting image to PNG

Use our document conversion API to create portable, robust and secure software in Java. This is a professional software solution to import and export image, PNG, and many other document formats using Java.

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Convert image to PNG in Java

Need to convert image to PNG image programmatically? With Aspose.Words for Java any developer can easily transform image to PNG image format with just a few lines of Java code.

Modern document-processing Java API creates PNG from image with high speed. Test the quality of image to PNG conversion right in a browser. Powerful Java library allows converting image files to many popular image formats.

Save image as PNG in Java

The following example demonstrates how to convert image to a PNG picture in Java.

Follow the easy steps to turn a image file into PNG graphical format. Read image from the local drive, then simply save it as PNG, specifying the required image format by PNG extension. For both image reading and PNG writing you can use fully qualified filenames. The output PNG graphical content will be identical to the original image file.

Code example in Java to convert PNG to PNG format
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// 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.*;

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

Shape shape = builder.insertImage("Input.png");
shape.getShapeRenderer().save("Output.png", new ImageSaveOptions(SaveFormat.PNG));
import com.aspose.words.*; Document doc = new Document("Input.png"); doc.save("Output.png"); import com.aspose.words.*; Document doc = new Document("Input.png"); ImageSaveOptions saveOptions = new ImageSaveOptions(SaveFormat.png); for (int page = 0; page < doc.getPageCount(); page++) { saveOptions.setPageSet(new PageSet(page)); doc.save(String.format("Output_%d.png", page + 1), saveOptions); } import com.aspose.words.*; Document doc = new Document(); DocumentBuilder builder = new DocumentBuilder(doc); builder.insertImage("Input.png"); doc.save("Output.png"); import com.aspose.words.*; Document doc = new Document(); DocumentBuilder builder = new DocumentBuilder(doc); Shape shape = builder.insertImage("Input.png"); shape.getShapeRenderer().save("Output.png", new ImageSaveOptions(SaveFormat.png));
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How to convert image to PNG in Java

  1. Install Aspose.Words for Java.
  2. Add a library reference (import the library) to your Java project.
  3. Open the source image file in Java.
  4. Call the save() method, passing an output filename with PNG extension.
  5. Get the result of image conversion as PNG.

Java library to convert image to PNG

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 image Conversions

You can convert image to many other file formats:

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