Convert J2K to JPG in Java

J2K to JPG conversion with a few lines of Java code

Download Free Trial

About GroupDocs.Conversion for Java API

GroupDocs.Conversion for Java is an advanced file format conversion API for converting between popular image and document formats such as Microsoft Office, OpenDocument, PDF, HTML, email, CAD. and much more with just a few lines of code. The native API automatically detects the formats of the original documents and offers many options for customizing the converted documents. Along with the function of extracting information from a document, it also supports caching of the conversion results to the local disk by default. However, any type of cache storage can be supported by implementing the appropriate interfaces - Amazon S3, Dropbox, Google Drive, Windows Azure, Reddis, or any others.

Convert your J2K files to JPG in Java. It only takes a couple of lines of Java code on any platform of your choice, such as Windows, Linux, macOS. You can try converting J2K to JPG for free and evaluate the quality of the conversion results. Along with simple file conversion scripts, you can try more sophisticated options for loading the J2K source file and storing the JPG output.

For example, for the source J2K file you may use the following load options:

  • automatic detection of the file format;
  • specify a password for protected files (if the file format supports it);
  • replace missing fonts to preserve the appearance of the document.

There are also advanced convert options for the JPG file:

  • convert a specific page of a document or a range of pages;
  • add a watermark to the converted JPG.

Once the conversion is complete, you can save the JPG file to your local file path or to any third party storage such as FTP, Amazon S3, Google Drive, Dropbox etc. Please note - to convert J2K to JPG, you do not need to install any additional software, such as MS Office, Open Office, Adobe Acrobat Reader etc.

Steps to convert J2K to JPG in Java

GroupDocs.Conversion for Java allows developers to easily convert J2K file to JPG with a few lines of code.

  • Create a new instance of the Converter class and upload the file J2K with the full path
  • Set ConvertOptions for document type to JPG
  • Call the convert() method and pass the document name (full path) and format (JPG) as a parameter

System Requirements

Basic conversion with GroupDocs.Conversion for Java API can be done with just a few lines of code. Our APIs are supported on all major platforms and operating systems. Before executing the code below, make sure you have the following prerequisites installed on your system.

  • Operating systems: Microsoft Windows, Linux, MacOS
  • Development environments: NetBeans, Intellij IDEA, Eclipse, etc.
  • Java runtime: J2SE 6.0 and above
  • Get the latest GroupDocs.Conversion for Java from Maven

// Load source file J2K for conversion
Converter converter = new Converter("input.j2k");
// Prepare conversion options for target format JPG
ConvertOptions convertOptions = new FileType().fromExtension("jpg").getConvertOptions();
// Convert to JPG format
converter.convert("output.jpg", convertOptions);

J2K to JPG Live Demo

Visit our GroupDocs.Conversion App website and try J2K to JPG conversion now. The free demo has the following benefits

No need to download API

No need to write any code

Just upload the source file

Get download link to save the file

Other supported J2K conversions in Java

You can also convert J2K to many other file formats. Please see the list below.

Convert J2K to BMP

(Bitmap Image File)

Convert J2K to DCM

(DICOM Image)

Convert J2K to EMF

(Enhanced Metafile Format)

Convert J2K to EMZ

(Windows Compressed Enhanced Metafile)

Convert J2K to GIF

(Graphical Interchange Format)

Convert J2K to JP2

(JPEG 2000 Core Image)

Convert J2K to JPEG

(Joint Photographic Expert Group Image)

Convert J2K to PNG

(Portable Network Graphic)

Convert J2K to PPS

(PowerPoint Slide Show)

Convert J2K to PPSX

(PowerPoint Slide Show)

Convert J2K to PPT

(Microsoft PowerPoint 97-2003)

Convert J2K to PPTX

(Open XML presentation Format)

Convert J2K to PSB

(Photoshop Large Document Format)

Convert J2K to PSD

(Photoshop Document)

Convert J2K to SVG

(Scalar Vector Graphics)

Convert J2K to SVGZ

(Compressed Scalable Vector Graphics)

Convert J2K to TGA

(Truevision Graphics Adapter)

Convert J2K to TIFF

(Tagged Image File Format)

Convert J2K to WEBP

(Raster Web Image Format)

Convert J2K to WMF

(Windows Metafile)

Convert J2K to WMZ

(Compressed Windows Metafile)

Back to top