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OctoConvert supports 500+ file formats. Simply upload your K25 files and select a popular file format to convert them to. Easily share your K25 files (in a widely supported format) after conversion.
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A K25 file is a monochrome raster image format developed by Kodak, mainly used in fax systems and document scanning. It is closely related to CCITT Group 3 / Group 4 fax compression, which makes it highly efficient for black-and-white documents, text, and line drawings.
Because K25 focuses on document clarity rather than color, it is not used for photographs.
K25 files are commonly used for:
Fax transmissions
Scanned text documents
Archiving black-and-white images
Enterprise and legacy document systems
They produce small file sizes while keeping text sharp.
K25 files can be opened with:
XnView MP
IrfanView (with plugins)
ImageMagick
Specialized fax or document-imaging software
Most default image viewers do not support K25.
No.
K25 is a fax/document image format, while JPG and PNG are general-purpose image formats that support color and photos.
Image type: Bi-level (black & white)
Compression: CCITT Group 3 / Group 4
Primary use: Fax & document imaging
Developed by: Kodak
Platforms: Windows, macOS, Linux (via supported tools)
octoconvert.com can convert your K25 files to these other formats:
octoconvert.com can convert your files to these related formats:
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Convert any image to PDF instantly! JPEG, PNG, GIF, BMP, TIFF, WebP, SVG, K25, RAW, and more.
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