YUV is a raw video format storing luminance and chrominance separately.
HRZ is an image format for slow-scan television (SSTV), used by amateur radio operators to transmit images over radio.
FreeFileConvert uses tuned encoding for YUV to HRZ conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload YUV files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized HRZ 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 HRZ images with dependable progress tracking.
YUV files contain uncompressed video frames in Y, U, V color space.
HRZ files contain low-resolution images optimized for transmission over narrow-bandwidth radio channels.
Upload your image file in the YUV format from your device.
Select HRZ 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.