Convert PDF document to JPG file and JPG file to PDF document in Java

Convert PDF file to JPG and JPG image to PDF Programmatically in Java

In my previous blog, we discussed how to convert PDF document to PNG format and a PNG image to PDF file format programmatically in Java. Here, I will show you how to transform PDF file into JPG image, or vice versa, conveniently and flexibly. PDF format, or Portable Document Format, is an ideal file format to save information including texts, images, and even forms. It is popular because PDFs can be easily visualized and edited on a variety of platforms. JPG is a compressed image format, and it is a superb example of lossy compression. In some scenarios, images are a better option than PDF, like when it comes to saving storage and file sharing. Thus, this blog post explains how to convert PDF to JPG and JPG to PDF programmatically in Java.

We shall address the following points in this article:

Java Convert PDF to JPG and JPG to PDF – SDK Installation

In Java, you can convert PDF files to JPG images or JPG files to PDF format, using Java SDK of GroupDocs.Conversion Cloud API. It is an easy-to-use and powerful Java library to convert PDFs to image formats like JPEG, PNG, TIFF, etc. It offers numerous options for converting files, and one of them is converting PDF files to images. The integration of your Java application with a PDF to JPG converter API is extremely fast thanks to the simple and easy installation procedure of this Java library.

To begin with, you can either download the JAR files or follow the following Maven configurations:

Maven Repository:

<repository>
    <id>groupdocs-artifact-repository</id>
    <name>GroupDocs Artifact Repository</name>
    <url>https://repository.groupdocs.cloud/repo</url>
</repository>

Maven Dependency:

<dependency>
    <groupId>com.groupdocs</groupId
    <artifactId>groupdocs-conversion-cloud</artifactId>
    <version>22.10</version>
    <scope>compile</scope>
</dependency>

Please obtain your Client ID and Secret from the dashboard before completing the steps indicated below. Once you have your ID and secret, add a code snippet in a Java-based application:

Convert PDF into JPG Format in Java using REST API

Once the installation process is complete, you can jump to the code snippet that modifies the PDF file as a JPG by programming. Follow the below-mentioned steps:

Upload the File

Firstly, upload the source PDF file to the cloud using the code snippet given below:

As a result, the uploaded PDF file will be available in your Cloud Dashboard’s files section.

How to Convert PDF into JPG Format in Java

Java SDK is an excellent and very powerful library that performs optimized file conversion in a few seconds. Please follow these steps and code snippet as mentioned below to convert PDF to JPG file in Java programming:

  • Firstly, create an instance of ConvertApi.
  • Secondly, Create a ConvertSettings class instance.
  • Next, define the storage name and enter the PDF file’s path.
  • Now, provide the output file format as “jpg”
  • Then, set the pathname of the output file.
  • Create ConvertDocumentRequest with convert settings as a parameter
  • Finally, call the ConvertApi.convertDocument() to convert the file into JPG format.

The code example below demonstrates how to convert PDF to JPG file format in Java using REST API:

Download the Converted File

The aforementioned code sample will save the converted PDF file to JPG image file in the cloud storage. You can download it using the following code sample:

Convert PDF to JPG with High Quality in Java - Advanced Features

In this section, we will explore some advanced features of PDF to JPG Java API. Moreover, You can see the list of all available classes and their methods here.

Following are the steps and the code snippet mentioned below to convert PDF file to JPG format in Java programmatically:

  • Firstly, create an instance of ConvertApi
  • Secondly, create an object of ConvertSettings
  • Set the storage name and input the PDF file path
  • Now, choose the exact saving format as “jpg”
  • Create an object of the JpgConvertOptions class to specify additional options.
  • Set various convert options like setFromPage, setPagesCount, etc.
  • Now, set convert options and output file path
  • Then, create ConvertDocumentRequest with convert settings as a parameter
  • Finally, Invoke the ConvertApi.convertDocument() to save the document in JPG format

The following code example shows how to convert PDF file to JPG image in Java using advanced settings:

In summary, converting a PDF document to JPG can make it more accessible and versatile, while also reducing its file size, allowing for easier sharing and distribution, and the ability to edit the document and text recognition.

How to Convert JPG to PDF in Java using REST API

Converting a JPG to a PDF can help to keep the quality of the image, add an extra layer of security, make it easier to share, make it more easily editable, and create a document with multiple pages. Similarly, please adhere to these guidelines and code illustration to convert JPG files to PDF format programmatically in Java:

  • Firstly, create an instance of ConvertApi class
  • Secondly, create ConvertSettings class instance
  • Set the storage name and input the JPG file path
  • Now, provide the output file format as “pdf”
  • Next, set the output file path
  • Create ConvertDocumentRequest with convert settings as a parameter
  • Lastly, invoke conversion using the ConvertApi.convertDocument() method

The following code example shows how to convert JPG file to PDF format in Java using REST API:

Finally, the above code example will save the PDF file on the cloud. Follow the already mentioned steps to upload the file and then download the converted file from the cloud storage.

Online PDF to JPG Converter for Free

How to convert PDF to JPG converter online? Please try the following free online PDF to JPG converter multiple files, which are developed using the Groupdocs.Conversion Cloud APIs.

Online JPG to PDF Converter Free

How to convert JPG to PDF file for free? Please try the following free online JPG to PDF converter, which has been developed using the above-mentioned Java cloud APIs.

Summing up

We wind up this blog post here. This article has covered the following:

  • how to transform PDF file to JPG format programmatically in java;
  • programmatically upload the PDF and download the converted file from the cloud;
  • how to convert PDF file to JPG in java using advanced settings;
  • how to change JPG image to PDF file in java programmatically;

In addition, you may explore more about file format conversion features by navigating to the documentation, or by examples available on GitHub. We also have an API Reference section that lets you visualize and interact with our APIs directly through the browser.

What’s more, we suggest you follow our start-up guide.

Furthermore, groupdocs.cloud writes other blog articles about new topics. Therefore, please stay in touch for the latest updates.

Ask a question

Feel free to share any questions and queries you may have on our support forum.

FAQs

How do I convert JPG to PDF in Java?

Please follow this link to learn the Java code snippet for how to change PDF into JPG file quickly and easily.

How to convert PDF to JPG file using REST API?

Create an instance of ConvertApi, set the values of the convert settings, and invoke the convertDocument method with ConvertDocumentRequest for converting PDF to JPG file.

How to convert PDF into JPG free online?

PDF to JPG converter free online allows you to export PDF to JPG format, quickly and easily. Once the conversion is completed, you can download the JPG file.

How do I convert PDF file to JPG online for free?

  • Open online PDF to JPG converter free
  • Click inside the file drop area to upload a PDF or drag & drop a PDF file.
  • Click on Convert Now button, and online PDF to JPG converter software will change the PDF file into JPG.
  • Download link of the output file will be available instantly after converting PDF to JPG file.

How to install PDF to JPG format converter free download library?

Install PDF to JPG converter free download Java library to create, and convert PDF to JPG programmatically.

How do I convert PDF to JPG offline in windows?

Please visit this link to download PDF to JPG converter software free for windows. This online PDF to JPG converter free download software can be used to turn PDF into JPG in windows quickly, with a single click.

How do I convert JPG to PDF in Java?

Please follow this link to learn the Java code snippet for how to turn JPG into a PDF file quickly and easily.

How to convert JPG to PDF file using REST API?

Create an instance of ConvertApi, set the values of the convert settings, and invoke the convertDocument method with ConvertDocumentRequest for converting JPG to PDF file.

How to convert JPG into PDF free online?

JPG to PDF converter free online allows you to export JPG to PDF format, quickly and easily. Once the conversion is completed, you can download the JPG file.

How do I convert JPG to PDF file online free?

  • Open online JPG to PDF converter free
  • Click inside the file drop area to upload a JPG sheet or drag & drop a JPG file.
  • Click on Convert Now button, online JPG to PDF converter app will transform JPG to PDF.
  • Download link of the output file will be available instantly after transforming data from JPG to PDF file.

How to install JPG to PDF format converter free download library?

Install JPG to PDF converter free download Java library to create, and convert JPG to PDF programmatically.

How do I convert JPG to PDF offline in windows?

Please visit this link to download JPG to PDF converter software free for windows. This online JPG to PDF converter free download software can be used to turn JPG to PDF in windows quickly, with a single click.

See Also

Please see the following sections to learn more about: