When you work with PDF files, you may sometimes want to remove unnecessary parts of the pages in a PDF. This can include removing empty margins, content in the header/footer, and more. In this article, we will show you a simple method of cropping PDF pages in Java. So let’s see how to do it in a Java application.
Java Library to Crop PDF
To crop PDF files, we will use Aspose.PDF for Java. It is a robust library for the creation and manipulation of PDF files. You can either download the library’s JAR or install it using the following Maven configuration.
<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-pdf</artifactId>
<version>23.5</version>
</dependency>
Crop a PDF File in Java
Cropping the pages in a PDF file becomes easy with the help of Aspose.PDF for Java. You only need to load the PDF, specify the size of the cropping box, and that is it.
Let’s see how to crop a page in a PDF using Java.
- First of all, load the PDF file using the Document class.
- Then, create a new Rectangle object and initialize its size.
- Select the desired page and assign rectangle using setCropBox, setTrimBox, setArtBox, and setBleedBox methods of the page.
- Finally, save the cropped PDF using the Document.save(String) method.
The following code sample shows how to crop a page in a PDF using Java:
Crop PDF Online
You can also use our online app to crop PDF pages, which is based on Aspose.PDF for Java. This is a free PDF cropping app that does not even ask you to sign up.
Java PDF Library
Get a free temporary license and use the Java PDF library without evaluation limitations. Also, you can visit the documentation to explore other features of the library.
In case you would find any issues while using our library, you can contact us via our forum.
Conclusion
This article demonstrated how to crop pages in a PDF file using Java. By following a few simple steps and writing a few lines of code, you can programmatically crop the desired PDF pages. Additionally, we have provided a web-based app for cropping PDF files online. You can use this online PDF cropper for free without the need to create an account.