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Why convert K25 to G4?
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 K25 format
RAW — Kodak K25 RAW
K25 is a proprietary RAW format from Kodak, used in the Kodak DC25 digital camera. It is an early digital camera RAW format encountered in archives from the late 1990s and is primarily relevant for historical photography preservation.
Common uses
- Recovering early Kodak digital camera archives
- Historical digital photography projects
- Converting late-1990s RAW files to modern formats
- Museum and archival digitization work
About the G4 format
G4 — CCITT Group 4 FAX
G4 is the more advanced monochrome fax compression format defined by ITU-T for Group 4 fax machines and TIFF storage. Using Modified Modified READ (MMR) compression, it achieves significantly better compression than G3 and is the standard for TIFF-based document archiving.
Common uses
- High-compression document fax archiving
- TIFF G4 document scanning for records management
- Legal and government document storage
- Converting G4 fax archives to PDF
Related conversions
Other conversions available for K25 and G4 files
Frequently asked questions
How do I convert K25 to G4?
Upload your K25 file above, choose G4 as the output format, then click Convert. Your G4 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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