Home Image Convertor JP2 to JXL

JP2 to JXL

Batch Convert JP2 files to JXL files for free online.JP2 to JXL Converter for free.Also, you can resize the JXL file , and custom output names and width/height.

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About JP2 files
The JP2 file format (also known as JPEG 2000) is an advanced image compression standard designed to improve upon the traditional JPEG format. It supports both lossy and lossless compression, maintaining higher image quality at smaller file sizes. Common file extensions include: .j2c, .jpx, .j2k, .jpc. We support converting these formats to common formats such as JPG, PNG, GIF, and WebP.
About JXL files
JXL (JPEG XL) is a next-generation image format designed to replace JPEG while maintaining backward compatibility. It offers significantly better compression efficiency, producing files up to 60% smaller than JPEG at the same quality level. JXL supports both lossy and lossless compression, HDR imaging, transparency, and progressive decoding. With its superior quality-to-size ratio and modern features, JXL is ideal for web images, photography, and digital archiving where quality and efficiency matter.

Batch Convert JP2 to JXL Online

How does it convert to JXL?

With this converter , you can convert one or multiple JP2 file(s) to multiple sizes of JXL files, and resize the JXL files with width/height in the Options. Open the Options dialog , to set the new width and height as desired. You can also upload a directory for batch converting.

  • Save Name : You can set {name} , {width} , {height} to resize the new JXL image files. If multiple files need to convert , you must set {width} and {height} tags to distinguish files of different sizes. {name} is same as the filename of the source file.
  • Width and Height : You can customize the width/height of JXL files. The maximum of width/height is 4000px.
    • Example settings:
  • Save Name :

    {name}_{width}_{height} .jxl

  • Width and Height

    1000 X 1000

  • Width and Height

    1500 X 1500

    • If you upload a pic.jp2 , 2 JXL files will be converted and named as below :
  • pic_1000_1000.jxl Width and Height: 1000x1000
  • pic_1500_1500.jxl Width and Height: 1500 X 1500
    • You can click Download All button to download them within a zip file.