G3 (Group 3) is a fax image format using ITU-T T.4 compression, the standard for document facsimile transmission.
UYVY is a YUV 4:2:2 packed pixel format commonly used in video capture and processing.
FreeFileConvert uses tuned encoding for G3 to UYVY conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload G3 files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized UYVY 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 UYVY images with dependable progress tracking.
G3 uses Modified Huffman (MH) run-length encoding optimized for black-and-white documents.
UYVY stores color data as U0Y0V0Y1 sequences, halving horizontal chroma resolution.
Upload your image file in the G3 format from your device.
Select UYVY 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.