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Why convert SFW to PNG?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the SFW format
SFW — Seattle Film Works
SFW is a proprietary image format used by Seattle Film Works (later PhotoWorks), a film processing service that offered digital images on floppy disks. These files are legacy digital scans from the 1990s when SFW was one of the first mass-market film digitization services.
Common uses
- Recovering Seattle Film Works digital photo scans
- Converting 1990s SFW disk photos to modern formats
- Legacy film scan archiving
- Historical family and event photo recovery
About the PNG format
PNG — Portable Network Graphics
PNG is a lossless image format that supports transparency (alpha channel). Created as an open alternative to GIF, it is the preferred format for web graphics, logos, icons, and any image that requires crisp edges or transparent backgrounds.
Common uses
- Logos and icons with transparency
- Web graphics and UI elements
- Screenshots
- Images requiring precise color accuracy
Related conversions
Other conversions available for SFW and PNG files
Frequently asked questions
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.