FreeFileConvert uses tuned encoding for PSW to STW conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Seamless workflow
Upload PSW files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized STW 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 STW audio with dependable progress tracking.
About STW
How to open STW files
LibreOffice Apache OpenOffice
How to convert PSW to STW
STEP 1
Upload your document file in the PSW format from your device, Dropbox, or Google Drive.
STEP 2
Select STW as the output format and click Convert. Adjust optional settings if needed.
STEP 3
Download the converted document file. Each file stays available for up to 5 downloads.
More PSW and STW options
Convert other files to STW
Explore popular source formats that convert beautifully into STW.