SDC is the spreadsheet format from StarOffice/StarCalc, predecessor to ODS.
SLK (SYLK) is a text-based spreadsheet format for data interchange.
FreeFileConvert uses tuned encoding for SDC to SLK conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload SDC files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized SLK 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 SLK audio with dependable progress tracking.
SDC files use StarOffice binary format for spreadsheet data.
SLK uses symbolic addressing for cells, making it portable across applications.
Upload your document file in the SDC format from your device, Dropbox, or Google Drive.
Select SLK 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.