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Convert JXL to J2K

Convert JXL images to J2K format, edit and optimize images online and free.

Convert JXL to J2K
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JPEG XL Image (.jxl)

JXL Converter

JPEG 2000 Code Stream Syntax (.j2k)

J2K Converter

How to convert JXL to J2K?

  1. Upload JXL File

    Drag & drop or browse your device to select and upload your JXL file.

  2. Select JXL Tools

    To customize JXL to J2K conversion, use the available tools before clicking the Convert button.

  3. Download Your J2K

    Wait a couple of seconds for the converter to do the hard job, then download your J2K file.

Convert JXL to J2K

Frequently Asked Questions

How to change JXL format to J2K?

To change JXL format to J2K, upload your JXL file to proceed to the preview page. Use any available tools if you want to edit and manipulate your JXL file. Click on the convert button and wait for the convert to complete. Download the converted J2K file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert JXL to J2K on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to JXL file location or include path to your input file.
  3. Paste and execute the command below, substituting in your JXL_INPUT_FILE name or path. $ vertopal convert JXL_INPUT_FILE --to j2k

Convert JXL to J2K on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to JXL file location or include path to your input file.
  3. Paste and execute the command below, substituting in your JXL_INPUT_FILE name or path. $ vertopal convert JXL_INPUT_FILE --to j2k

Convert JXL to J2K on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to JXL file location or include path to your input file.
  3. Paste and execute the command below, substituting in your JXL_INPUT_FILE name or path. $ vertopal convert JXL_INPUT_FILE --to j2k

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