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Convert your J2K files online. You can convert your J2K documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your J2K file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your XLTX file.
You even can perform more advanced conversions. For example you can convert password protected documents. Just expand LoadOptions and enter the password of your file. Or you can add a watermark to the converted XLTX file. Expand the ConvertOptions and fill the fields for watermarking.
You can convert your J2K documents from anywhere, from any machine or even from a mobile device. The J2K converter is always available online and is completely free.
A J2K file is an image that is compressed using the wavelet compression instead of DCT compression.
Read moreFiles with XLTX extension represent Microsoft Excel Template files that are based on the Office OpenXML file format specifications. It is used to create a standard template file that can be utilized to generate XLSX files that exhibit the same settings as specified in the XLTX file.
Read moreYou can also convert J2K into many other file formats. Please see the complete list below.