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Written by Oleksandr Gavenko (AKA gavenkoa), compiled on 2017-01-30 from rev ccaa2f364422+.

DJVU file format.

About djvu.

http://djvu.org/links/
many useful links

DJVU viewers.

  • DjVuLibre (all OS).
  • WinDjvu (Windows).

DJVU Editors.

  • DjVuLibre (all OS).
  • DjVu Solo (Windows).

DjVuLibre.

  • A full set of utilities to manipulate and assemble DjVu images and documents.
  • A set of decoders to convert DjVu to a number of other formats.
  • A standalone DjVu viewer for Unix under X11 (based on the Qt library).
  • A browser plugin that works with most Unix browsers
http://djvu.sourceforge.net/

DjVu Solo.

Tool for editing and merge files and documents in DjVu format from LizardTech. Currently not maintained.

http://www.djvu.org/resources/

djvu to pdf.

djvulibre:

$ ddjvu -format=tiff book.djvu book.tiff
$ tiff2pdf -o book.pdf book.tiff

or directly:

$ ddjvu -format=pdf book.djvu book.pdf

PDF to Djvu.

djvulibre.

For 'pdftoppm' install xpdf (both Linux and Cygwin):

$ pdftoppm -mono -r 600 -aa yes  $PREFIX.pdf  $PREFIX
$ for pbm in $PREFIX*.pbm; do  cjb2 -dpi $DPI $pbm $pbm.djvu;  rm -f $pbm;  done

$ djvm -c $OUTFILE  $PREFIX*.pbm.djvu

pdf2djvu.

$ pdf2djvu file.pdf

http://code.google.com/p/pdf2djvu/
              home page

JPEG to Djvu.

JPEG to high quolity DjVu (DjVuPhoto encode):

$ c44 -dpi $DPI  $FROM.jpg  $TO.djvu

JPEG to low colour DjVu:

$ cpaldjvu -dpi $DPI -colors $NCOLORS $i $i.djvu

$ djvm -c $OUTFILE *.djvu    # Many .djvu to single .djvu.

JPEG to bitonal DjVu:

$ convert  $PAGE.jpeg  $PAGE.pbm
$ cjb2 -dpi $DPI  $PAGE.pbm  $PAGE.djvu

$ djvm -c $OUTFILE *.djvu    # Many .djvu to single .djvu.

if you don't like default delev of balck adjust options:

$ convert -solarize 50% -level 0,50%  $PAGE.jpeg  $PAGE.pbm

or:

$ convert  $PAGE.jpeg  pgm:- | pgmtopbm -value 0.499 > page.pbm