PFM is a floating-point extension of the PGM format for HDR images.
VIFF (Visualization Image File Format) is an image format developed by Khoros for scientific visualization.
FreeFileConvert uses tuned encoding for PFM to VIFF conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload PFM files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized VIFF 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 VIFF images with dependable progress tracking.
PFM files store grayscale or RGB images with 32-bit floating-point values.
VIFF supports multiple bands, data types, and machine-independent binary format.
Upload your image file in the PFM format from your device.
Select VIFF 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.