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Why convert PWP 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 PWP format
PWP — Seattle Film Works Multi-Image
PWP is a multi-image variant of the Seattle Film Works format, capable of storing multiple photographs in a single file (similar to a simple photo album). Like SFW, it originates from the Seattle Film Works film digitization service of the 1990s.
Common uses
- Recovering Seattle Film Works multi-photo files
- Converting 1990s SFW photo collections
- Legacy film digitization service archive recovery
- Historical family photo preservation
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 PWP and HRZ files
Frequently asked questions
How do I convert PWP to HRZ?
Upload your PWP 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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