Vertopal — Free Online Converter
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Convert G4 to J2K

Convert G4 images to J2K format, edit and optimize images online and free.

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CCITT Group 4 Fax Document (.g4)

G4 Converter

JPEG 2000 Code Stream Syntax (.j2k)

J2K Converter

How to convert G4 to J2K?

  1. Upload G4 File

    Choose the G4 image you wish to convert.

  2. Select G4 Tools

    Use any available G4 to J2K tools on the preview page and click Convert.

  3. Download Your J2K

    When the conversion status changes to successful, click on the Download button to get the final J2K image.

Convert G4 to J2K

Frequently Asked Questions

How to change G4 format to J2K?

To change G4 format to J2K, upload your G4 file to proceed to the preview page. Use any available tools if you want to edit and manipulate your G4 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 G4 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 G4 file location or include path to your input file.
  3. Paste and execute the command below, substituting in your G4_INPUT_FILE name or path. $ vertopal convert G4_INPUT_FILE --to j2k

Convert G4 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 G4 file location or include path to your input file.
  3. Paste and execute the command below, substituting in your G4_INPUT_FILE name or path. $ vertopal convert G4_INPUT_FILE --to j2k

Convert G4 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 G4 file location or include path to your input file.
  3. Paste and execute the command below, substituting in your G4_INPUT_FILE name or path. $ vertopal convert G4_INPUT_FILE --to j2k

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