Command line PNG batch converter

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Introduction of ImageConverter Plus command line

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Comand line syntax

Add operations (-oper)

Launching the program

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Working with files and folders

Convert files from local network?

Convert files from folder with all subfolders?

Specify name of output file?

Delete source images after conversion?

Overwrite files?

Convert CALS Raster files to TIFF?

Convert DICOM image file into TIFF?

Convert PCX file into TIFF?

Convert PDF file into TIFF in batch mode?

Convert SFF files into TIFF?

Convert TIFF file with Wang OldJPEG compression into standard TIFF?

Convert WinFax files into TIFF?

Convert WPG clipart into TIFF?

Convert color image into grayscale TIFF?

Convert Group3 and Group4 Fax files into TIFF format?

Changing image size and resolution

Stretch image proportionally?

Change image resolution?

Change image size and keep resolution?

Working with border and margins

Crop white margins from photo and fax?

Add a solid border to all images?

Working with colors and transparency

Change one color to another?

Convert file with CMYK color space?

Make colors transparent?

Other questions

Save each page of multipage file separately?

Find out what version of batch converter you have?

Convert TIFF file with rotation?

Create a multipage file?

Find out numeric color code?

Additional Information

Features in details

Supported formats

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Custom development

Command line PNG batch converter

Portable Network Graphics (PNG)

Png file format is a comparatively new progressive format originally designed to replace dated Gif. Use the following parameters to adjust settings of this format:

bpp - color depth (default - 24 bpp)
quant - quantization levels (default - 8)
dither - dithering (default - yes)
compression - compression level (default- 5)

bpp

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

1 - 1 bpp (Mono)
4 - 4 bpp (Indexed)
8 - 8 bpp (Indexed)
24 - 24 bpp (True color, RGB)
32 - 32 bpp (True color, RGBA)
48 - 48 bpp (True color, RGB)
64 - 64 bpp (True color, RGBA)

The default value is: 24.

Example:

-convertto png bpp:48

quant

Quant parameter reduces the number of distinct colors used in an image while preserving visual image quality. Quant parameter can accept a whole number from 0 to 8.

The default value is: 8.

Example:

-convertto png quant:4

dither

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

The default value is: yes.

Example:

-convertto png dither:no

compression

Compression parameter specifies compression level of the output image. It can accept whole numbers from 0 to 9 (default - 5). The default value is: 5.

Example:

-convertto png compression:3

ICPCL.exe -convertto png bpp:32 compression:8 quant:2 dither:no -source "C:\Original files" -dest "C:\Converted files"

tips

Quant parameter should only be used if bpp parameter is set to 1, 4 or 8 bpp.

Example:

ICPCL.exe -convertto png bpp:8 quant:3 -source "C:\Original files" -dest "C:\Converted files"
Dither parameter should only be used if bpp parameter is set to 1, 4 or 8 bpp.

Example:

ICPCL.exe -convertto png bpp:8 dither:no -source "C:\Original files" -dest "C:\Converted files"

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