SDD is the presentation format from StarOffice/StarImpress, predecessor to ODP.
STI is a presentation template format from StarOffice/StarImpress.
FreeFileConvert uses tuned encoding for SDD to STI conversions, preserving clarity while trimming file size. Finished presentations open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload SDD files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized STI results on any device you rely on.
Process up to 5 files sized 1024 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent STI presentations with dependable progress tracking.
SDD files use StarOffice binary format for presentation slides.
STI files contain reusable presentation templates.
Upload your presentation file in the SDD format from your device.
Select STI as the output format and click Convert. Adjust optional settings if needed.
Download the converted presentation file. Each file stays available for up to 5 downloads.