Convert J2K to PNM
Convert J2K pictures to PNM format, edit and optimize pictures online and free.
Start uploading a J2K picture 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.