XLT is the legacy Microsoft Excel template format (97-2003).
SDC is the spreadsheet format from StarOffice/StarCalc, predecessor to ODS.
FreeFileConvert uses tuned encoding for XLT to SDC conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload XLT files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized SDC results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent SDC audio with dependable progress tracking.
XLT files contain reusable spreadsheet templates with formatting and formulas.
SDC files use StarOffice binary format for spreadsheet data.
Upload your document file in the XLT format from your device, Dropbox, or Google Drive.
Select SDC as the output format and click Convert. Adjust optional settings if needed.
Download the converted document file. Each file stays available for up to 5 downloads.