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Multiple-image Network Graphics (MNG)

MNG (Multiple-image Network Graphics) is a graphics format that supports all features of PNG and JPEG compression algorithms (including semi-transparency and gamma correction) to create animated images. Settings of this format are adjusted with the help of the following parameters:


Bpp parameter parameter specifies the number of bits used to transfer the color of one pixel. Its allowed values are:

The default value is: 24.


-convertto mng bpp:48


Quant parameter reduces the number of distinct colors used in an image while preserving visual image quality. Allowed values of Quant parameter are whole numbers from 0 to 8.

The default value is: 8.


-convertto mng quant:4


Dither is a form of noise, or 'erroneous' signal or data which is added to sample data to minimize quantization error. Allowed values of Dither parameter are yes and no.

The default value is: yes.


-convertto mng dither:no


Compression parameter specifies compression level of resulting images. Its allowed values are whole numbers from 0 to 9 (default - 5).

The default value is: 5.


-convertto mng compression:3


Multipage parameter specifies whether resulting images are saved as separate files or one multipage file. Its allowed values are:

The default value is: as_is.


-convertto mng multipage:separate_pages

general example

ICPCL.exe -convertto mng bpp:48 compression_level:3 multipage:separate_pages quant:4 dither:no -source "C:\Original files" -dest "C:\Converted files"


  1. Use Quant parameter only if Bpp parameter value is 1, 4 or 8 bpp.


    ICPCL.exe -convertto mng bpp:8 quant:3 -source "C:\Original files" -dest "C:\Converted files"
  2. Use Dither parameter only if Bpp parameter value is 1, 4 or 8 bpp.


    ICPCL.exe -convertto mng bpp:8 dither:no -source "C:\Original files" -dest "C:\Converted files"
  3. When creating multipage files, the order of their pages is specified by the order of converted images (that is, the way they are sorted with the help of -sort key).

Convert batches of images in convenient user interface

You can test all features of Image Converter Command Line on your computer using interface to change settings.

Information for solution suppliers and system integrators

The company is happy to inform our customers about the fact that a new image conversion management tool, ImageConverter Plus Scheduler, is under private testing now.