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J2K Converter

Convert J2K pictures to a variety of formats, edit and optimize pictures online and free.

Loading Uploader...

if you have uploaded a file, it will be displayed.

How to convert J2K?

Drag & drop or browse your device to select and upload your J2K file.

Continue by picking up an output format.

Once the convert is complete, you can download the final file.

macOS

Windows

Linux

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

Open macOS Terminal.
Either cd to J2K file location or include path to your input file.
Paste and execute the command below, substituting in your J2K_INPUT_FILE name or path. $ vertopal convert J2K_INPUT_FILE --to output_format

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

Open Command Prompt or Windows PowerShell.
Either cd to J2K file location or include path to your input file.
Paste and execute the command below, substituting in your J2K_INPUT_FILE name or path. $ vertopal convert J2K_INPUT_FILE --to output_format

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

Open Linux Terminal.
Either cd to J2K file location or include path to your input file.
Paste and execute the command below, substituting in your J2K_INPUT_FILE name or path. $ vertopal convert J2K_INPUT_FILE --to output_format