Convert J2K to PNM
Convert J2K images to PNM format, edit and optimize images online and free.
Drop Files Anywhere to Upload
The PNM which stands for Portable Any-Map is an abstraction of Netpbm PBM, PGM, and PPM formats, designed by Jef Poskanzer in the 1980s. It was designed to easily exchange binary images between different platforms.
Start uploading a J2K image by clicking the Choose File button or drag & dropping your J2K file.
For an advanced conversion, use the J2K to PNM optional tools available on the preview page and click the Convert button.
You will be redirected to the download page to see the conversion status and download your PNM file.
To change J2K format to PNM, upload your J2K file to proceed to the preview page. Use any available tools if you want to edit and manipulate your J2K file. Click on the convert button and wait for the convert to complete. Download the converted PNM file afterward.
Follow steps below if you have installed Vertopal CLI on your macOS system.
cd to J2K file location or include path to your input file.Follow steps below if you have installed Vertopal CLI on your Windows system.
cd to J2K file location or include path to your input file.Follow steps below if you have installed Vertopal CLI on your Linux system.
cd to J2K file location or include path to your input file.