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J2C to XLTX converter

Convert J2C to XLTX online from any device with a free converter.

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We have already processed 5,838,932 files with total size of 9,548,990 Mbytes

About Image converter

Convert J2C to XLTX files online with our free image converter. Whether you're on Windows 10, Mac, Android or iPhone, converting J2C files is quick and easy.

This app supports raster image formats such as JPEG, PNG, and GIF, which are perfect for photos and web graphics. Vector formats such as SVG, AI, CDR are resolution-independent, perfect for logos and illustrations. Top image editing tools include Adobe Photoshop, CorelDRAW, and Illustrator.

Change J2C to XLTX without losing quality — drop your file into the upload form, pick XLTX as the output, and hit Convert. Download your file right after conversion. No email or registration needed.

Check our video
J2C

JPEG 2000 Image File

J2C is a highly efficient image compression format designed for high-quality still and motion imagery, offering superior compression ratios and lossless/lossy options. It is widely used in medical imaging, digital cinema, and archival applications, with support in tools like Kakadu, OpenJPEG, and Adobe Photoshop. The format employs wavelet-based compression, supports multiple color spaces, and includes advanced features like region-of-interest coding, scalability, and error resilience for robust data handling.

XLTX

Microsoft Excel Open XML Template

XLTX is a file format used for Excel Open XML Spreadsheet Templates, designed to store pre-formatted spreadsheet layouts for creating consistent and reusable Excel documents. It is supported by Microsoft Excel, LibreOffice Calc, and other spreadsheet applications, enabling users to create, edit, and share templates across platforms. The format is based on XML and ZIP compression, allowing for structured data storage, advanced formatting, and customization options such as formulas, styles, and macros.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert J2C to XLTX

Step 1
Click inside the file drop area to upload J2C file or drag & drop J2C file.
Step 2
Click on Convert button. Your J2C files will be uploaded and converted to XLTX result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the XLTX file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert J2C into many other file formats. Please see the complete list below.

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