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Why convert HRZ to DDS?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the HRZ format
HRZ — Slow Scan Television Image
HRZ is a raw image format associated with Slow Scan Television (SSTV), a method of transmitting images over radio (shortwave or amateur radio). SSTV images are 256×240 pixels encoded as audio tones and used by amateur radio operators worldwide.
Common uses
- Amateur radio SSTV image transmission and reception
- Converting SSTV received images to standard formats
- Ham radio image archiving
- Historical radio communication image recovery
About the DDS format
DDS — DirectDraw Surface
DDS is Microsoft's texture format designed for real-time 3D graphics and DirectX applications. It supports GPU-native compressed formats (BCn/DXTn) that can be sent directly to the GPU without decompression, making it the standard texture format in game development.
Common uses
- Video game texture assets
- DirectX and OpenGL game development
- Game modding and texture replacement
- Real-time 3D application textures
Related conversions
Other conversions available for HRZ and DDS files
Frequently asked questions
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.