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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 XLSX 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 XLSX 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 moreXLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.
Read moreYou can also convert J2K into many other file formats. Please see the complete list below.