VIFF to FAX Converter

Transform VIFF into FAX images — quick and online

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Anyone can convert VIFF to FAX without creating an account. The tool is ready to use the moment you arrive.

Fast Conversion

Upload your VIFF, get FAX output in seconds. Server infrastructure processes conversions rapidly and reliably.

Visual Fidelity

Your VIFF visual data maintains its quality through the conversion pipeline — the FAX output looks accurate.

How to convert VIFF to FAX

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Choose fax or any other format you need as a result (more than 200 formats supported)

Let the file convert and you can download your fax file right afterwards

About formats

VIFF (Visualization Image File Format) is a scientific image format developed by Khoral Research (originally at the University of New Mexico), first appearing around 1990 with the Khoros visual programming environment for image processing and data visualization. VIFF files use a 1024-byte header followed by optional color map data, and the image data itself, with the header containing detailed specifications: data storage type (bit, byte, short, integer, float, double, complex), data encoding (none, CCITT Group 3/4), color space model (none, generic, RGB, HSI, CMYK, and others), and support for multi-band (multi-channel) images with arbitrary numbers of bands. The format accommodates one-dimensional signals, two-dimensional images, three-dimensional volumes, and location data (sparse pixel coordinates), making it versatile beyond simple image storage. VIFF was designed for the Khoros/VisiQuest visual dataflow programming environment, where users constructed image processing pipelines by connecting processing nodes in a graphical canvas — an approach that influenced later systems like AVS, MATLAB Simulink, and LabVIEW. One advantage is scientific data fidelity: VIFF supports the full range of numeric types used in scientific computing (including complex numbers and double-precision floats), stores multi-band datasets natively, and carries calibration metadata — making it suitable for remote sensing, medical imaging, and spectral analysis applications where generic image formats lose information. The format's connection to the Khoros visual programming paradigm provides another notable dimension — VIFF was the standard I/O format for one of the most influential early visual programming environments for scientific image analysis. VIFF files can be read by ImageMagick and legacy Khoros/VisiQuest installations.

Developer: Khoral Research

Initial release: 1990

FAX is a generic image file extension associated with facsimile transmission formats standardized by the ITU-T (formerly CCITT), with the underlying Group 3 compression standard ratified in 1980. FAX files typically contain monochrome (1-bit, black and white) image data compressed using the Modified Huffman (MH) encoding defined in ITU-T Recommendation T.4, which assigns variable-length codes to run lengths of consecutive white or black pixels along each scanline. The standard resolution for Group 3 fax is 204x98 dpi (normal mode) or 204x196 dpi (fine mode), reflecting the capabilities of thermal and laser fax machines of the era. FAX files encountered digitally are often raw Group 3 encoded bitstreams or TIFF wrappers with CCITT Group 3 compression (TIFF compression tag 3). The Group 3 encoding scheme is highly efficient for typical business documents — pages with mostly white space and black text — achieving compression ratios of 10:1 to 20:1 compared to uncompressed bitmaps. One advantage is universal fax system compatibility: Group 3 encoding is the mandatory baseline for all fax machines worldwide, meaning FAX files contain data in exactly the format transmitted over telephone lines, preserving the original fax data without transcoding losses. The format's role in business communications history provides another dimension — billions of fax transmissions using this encoding moved legal documents, medical records, and business correspondence for decades, and archived FAX files represent an important documentary record. FAX images can be viewed and converted using LibreOffice, ImageMagick, GIMP, and standard document management systems.

Developer: ITU-T

Initial release: 1980

Frequently Asked Questions

Why convert VIFF to FAX?

VIFF is a scientific visualization image format used in scientific visualization and remote sensing. Converting to FAX makes the content accessible to anyone.

How do I open FAX files?

You can open FAX with fax viewers, IrfanView, GIMP. No specialized software is needed on most modern systems.

What platforms support this conversion?

The converter runs entirely in the browser, so it works on Windows, macOS, Linux, iOS, and Android without issues.

How long does VIFF to FAX conversion take?

Seconds for most files. Convertio processes VIFF data on powerful servers, so even bigger files convert quickly.

Does VIFF to FAX conversion work on mobile?

Yes — the converter runs in any modern browser, including mobile devices. No app installation required, just open the page and upload.

Does the conversion happen on my device?

No — conversion runs on Convertio servers. Your device handles only the upload and download, not the processing.

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