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Why convert K25 to OTB?
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 OTB format
OTB — On-the-air Bitmap (Nokia)
OTB is a monochrome bitmap format originally used by Nokia feature phones for sending and receiving images over SMS (picture messages). It was a standard format in early mobile phones of the late 1990s and 2000s for simple graphics like logos and ringtone icons.
Common uses
- Nokia mobile phone picture message images
- Converting legacy feature phone graphics
- Historical mobile messaging image recovery
- Early mobile logo and icon conversion
Related conversions
Other conversions available for K25 and OTB files
Frequently asked questions
How do I convert K25 to OTB?
Upload your K25 file above, choose OTB as the output format, then click Convert. Your OTB 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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