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Why convert PPM to HRZ?
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 PPM format
PPM — Portable Pixmap
PPM is the full-color member of the Netpbm family, storing each pixel as RGB values (8 or 16 bits per channel). It is widely used as an interchange format in image processing scripts, being completely uncompressed and trivial to parse from any language.
Common uses
- Color image processing and scripting workflows
- Intermediate format in image conversion pipelines
- Scientific and research image interchange
- Generating images programmatically
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
Related conversions
Other conversions available for PPM and HRZ files
Frequently asked questions
How do I convert PPM to HRZ?
Upload your PPM file above, choose HRZ as the output format, then click Convert. Your HRZ file is ready to download in seconds — nothing to install, and it works in your browser.
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.
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