FAX format stores scanned or transmitted fax documents, typically as black-and-white TIFF with CCITT compression.
RGBO is a raw image format with red, green, blue, and opacity channels.
FreeFileConvert uses tuned encoding for FAX to RGBO 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 RGBO 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 RGBO images with dependable progress tracking.
Fax images use Group 3 or Group 4 compression optimized for black-and-white document transmission.
RGBO files store raw pixel data with opacity (inverse of alpha) channel.
Upload your image file in the FAX format from your device.
Select RGBO 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.