FreeFileConvert uses tuned encoding for POTM to SXI conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Seamless workflow
Upload POTM files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized SXI results on any device you rely on.
Batch support for teams
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent SXI audio with dependable progress tracking.
About POTM
How to open POTM files
Microsoft PowerPoint
About SXI
How to open SXI files
LibreOffice Apache OpenOffice
How to convert POTM to SXI
STEP 1
Upload your presentation file in the POTM format from your device, Dropbox, or Google Drive.
STEP 2
Select SXI as the output format and click Convert. Adjust optional settings if needed.
STEP 3
Download the converted presentation file. Each file stays available for up to 5 downloads.
More POTM and SXI options
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