UOS is a spreadsheet format from the Chinese Uniform Office Format.
STC is a spreadsheet template from StarOffice/StarCalc.
FreeFileConvert uses tuned encoding for UOS to STC conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload UOS files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized STC 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 STC audio with dependable progress tracking.
UOS files store spreadsheet data in the UOF XML standard.
STC files contain reusable spreadsheet templates with formatting and formulas.
Upload your document file in the UOS format from your device, Dropbox, or Google Drive.
Select STC 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.