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J2K to XLSX Converter

Convert your j2k files to xlsx (microsoft excel open xml spreadsheet) online & free

Drag & Drop or Choose a file

Chose J2K file
To
Drop file here. 150 MB maximum file size.

No sign-up required. Your files are deleted automatically after 24 hours.


Convert to XLSX   

What did you think of your recent J2K conversion? 4.9 (1705 Votes)

Convert Other J2K File

How to Convert PDF to DOCX

  1. Click the "Choose J2K File" button and select your J2K.
  2. Click “Convert to XLSX”.
  3. Wait a few seconds while we convert your file.
  4. Download the resulting XLSX file instantly.

What is J2K?

Compressed bitmap using wave compression instead of DCT used by standard .JPEG images; supports 16-bit, alpha transparency and lossless compression.


Read everything about J2K file type.

What is XLSX?

An XLSX file is a spreadsheet created by Microsoft Excel or another spreadsheet program, such as OpenOffice Calc or Apple Numbers. Data are stored in worksheets, which contain cells arranged in a grid of rows and columns, and may also contain tables, mathematical functions, styles and formatting. XLSX files are commonly used to store financial data and backup simple or complex mathematical models.


Read everything about XLSX file type.

More Free Online J2K Tools

We have 100% free online J2K tools that does not required any registrations and installations on your system, here are few popular free J2K tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

Frequently Asked Questions

❓ How can I convert J2K to XLSX?

Chose or drag & drop your J2K file, click Convert to XLSX, and download the XLSX file. No registration needed.

🔐 Are my files secure?

Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.

📝 Will my formatting be preserved?

Yes, our converter retains layout, fonts, and images as accurately as possible.

⏱️ How long does it take to convert J2K to XLSX?

Fileproinfo converter engine works fast. You can convert J2K to XLSX in a few seconds to couple of minutes for large size files with complex structure.

Convert from J2K

FileProInfo support manay file formats that allow you to convert J2K to 100s of file formats, without any limit, registration and downloading, 100% free and online J2K converter.

100% Free j2k file converter online tools. Other recommended free online j2k to xlsx file converter

All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.

# Tools License Developer
1 J2K to XLSX converter Free JeDok.com
1 J2K to XLSX converter Free Docpose.com
Browse all file extensions Browse all software programs Browse free online tools

This tool and page updated at: 12-Apr-2025



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