FAX format stores scanned or transmitted fax documents, typically as black-and-white TIFF with CCITT compression.
PFM is a floating-point extension of the PGM format for HDR images.
FreeFileConvert uses tuned encoding for FAX to PFM conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload FAX files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized PFM 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 PFM images with dependable progress tracking.
Fax images use Group 3 or Group 4 compression optimized for black-and-white document transmission.
PFM files store grayscale or RGB images with 32-bit floating-point values.
Upload your image file in the FAX format from your device.
Select PFM 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.