SFW is a proprietary image format from Seattle FilmWorks photo processing.
OpenEXR is a high dynamic range (HDR) image file format developed by Industrial Light & Magic. It is widely used in visual effects and computer graphics.
FreeFileConvert uses tuned encoding for SFW to EXR conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload SFW files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized EXR 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 EXR images with dependable progress tracking.
SFW files contain images from Seattle FilmWorks digital photo service.
EXR supports multiple channels, 16-bit and 32-bit floating-point pixels, lossless and lossy compression, and metadata storage.
Upload your image file in the SFW format from your device.
Select EXR as the output format and click Convert. Adjust optional settings if needed.
Download the converted image file. Each file stays available for up to 5 downloads.