MAP to VIFF Converter

Online MAP to VIFF conversion — fast results

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Secure Processing

Your MAP uploads are deleted right after conversion, and the resulting VIFF output is removed from servers within 24 hours for full privacy.

Simple Workflow

Converting MAP to VIFF is straightforward — upload, select the output format, and download. The clean interface guides you through each step.

Universal Access

Convert niche MAP data into standard VIFF that opens on any device. Bridge the gap between specialized and mainstream formats effortlessly.

How to convert MAP to VIFF

1

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

2

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

3

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

About formats

MAP is an internal raster image format used by ImageMagick, the open-source image processing suite first released by John Cristy at DuPont on August 1, 1990. MAP files store indexed-color (color-mapped) images in ImageMagick's native representation: a color palette (the map) followed by pixel data where each pixel is an index into that palette rather than a direct RGB value. The format provides a compact representation for images with a limited number of distinct colors — each pixel requires only enough bits to index the palette (typically 8 bits for up to 256 colors), compared to the 24 or 32 bits per pixel required by full-color formats. MAP serves primarily as an intermediate format within ImageMagick's processing pipeline, useful when performing operations that benefit from or require palettized representation: color quantization (reducing an image to a specific number of colors), palette manipulation, GIF preparation, and indexed-color analysis. The format is invoked through ImageMagick's standard I/O syntax and can be piped between processing stages without disk overhead. One advantage is direct access to ImageMagick's color quantization and palette management capabilities: MAP format output makes the palette structure explicit and manipulable, enabling workflows where specific palette operations (reordering, remapping, merging) need to be performed between processing steps. The format's integration into the ImageMagick processing ecosystem is another practical strength — any of ImageMagick's extensive image manipulation operations can consume or produce MAP format data, making it a natural intermediate for color-reduction pipelines that ultimately target GIF, PNG with palette, or other indexed-color formats.
Initial release: 1990
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

Frequently Asked Questions

Why convert MAP to VIFF?

Most people lack software for MAP. Converting to VIFF ensures your color maps are viewable everywhere — from phones to desktops.

What programs open VIFF?

Any modern image viewer opens VIFF — Windows Photos, macOS Preview, GIMP, Photoshop, and web browsers all support it.

Is batch MAP to VIFF conversion supported?

Absolutely — queue multiple MAP images and convert them all to VIFF in a single session. No need to process one at a time.

Can I convert on a phone or tablet?

Absolutely — the online converter works in mobile browsers just as well as on desktop. No app installation is required at all.

Do I need MAP software installed?

No — the converter processes MAP entirely in the cloud. You do not need any image processing and color palette management software on your device to convert.

Is the conversion instant?

Near-instant for typical images — the cloud-based processing handles MAP to VIFF conversion quickly. Very large data may take a moment.