HRZ is an image format for slow-scan television (SSTV), used by amateur radio operators to transmit images over radio.
RGBA is a raw image format with red, green, blue, and alpha channels.
FreeFileConvert uses tuned encoding for HRZ to RGBA conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload HRZ files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized RGBA results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent RGBA audio with dependable progress tracking.
HRZ files contain low-resolution images optimized for transmission over narrow-bandwidth radio channels.
RGBA files contain raw 32-bit pixel data with transparency information.
Upload your image file in the HRZ format from your device, Dropbox, or Google Drive.
Select RGBA 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.