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JBIG2 PDF Compressor

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JBIG2 provides the best compression solution to compress B/W image files today. For example, a scanned document at 300dpi, the TIFF is roughly 75 KB - 125 KB bytes per image, with the JBIG2 compression, the file is in the range of 10 KB - 15KB bytes per image.

JBIG2 is a format for bi-level (black/white) image compression that offers significant advantages over other compression formats:
  • large increases in compression performance (typically 3-5 times smaller than Group 4/MMR, 2-4 times smaller than JBIG1)
  • special compression methods for text, halftones, and other binary image content
  • lossy and lossless compression
  • multi-page document compression
  • flexible format, designed for easy embedding in other image file formats, such as TIFF
  • high-performance decompression: using some coding modes, images can be decompressed at over 250 million pixels/second in software

Wikipedia article related to JBIG2 compression.

This JBIG2 technology is available within the following product:

PDF Compressor Command Line
PDF Compressor SDK

PDF Compressor product is able to enhance PDF compression using the JBIG2Decode filter instead of CCITTFaxDecode, it is support lossless compression.

Please refer to the following command-line examples:

1. Use following command line to re-compress your PDF file with JBIG2 compression,

pdfcompressor.exe -jbig2 test-bw.pdf _test-bw_jbig2_1.pdf

2. If your PDF file contains both color images and B/W images, you can add -jpx parameter to compress color images with JPEG2000 compression,

pdfcompressor.exe -jbig2 -jpx test-bw.pdf _test-bw_jbig2_1.pdf

3. Compress all of your PDF files in D:\temp folder and sub-folders (recursion),

for /r D:\temp %F in (*.pdf) do pdfcompressor.exe -jbig2 -jpx "%F" "%~dpnF_jbig2.pdf"

Helpful links:
PDF Compressor Command Line Options
What is JBIG2?
What is JPEG2000? What is JPX/JP2 format?
Reducing the File Size of Scanned PDFs using Adobe Acrobat
PDF/A: PDF Designed for Archival
The PDF/A-1b standard (ISO 19005-1:2005) is a subset of the PDF standard, designed for long-term archival of documents.
PDF Standards and Your Business
PDF/A: PDF for Archving
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See Also:
PDF to Image Converter :: PDF Extract TIFF :: HTML Converter :: PDFcamp Printer :: DocConverter COM :: PDF to Word Converter :: PDF to Text Converter :: Image to PDF Converter :: Image to PDF OCR :: PDF to HTML Converter :: AutoCAD DWG and DXF to PDF Converter :: PCL to PDF Converter :: Document Printer (docPrint) :: VeryPDF PDF Editor :: PDF Password Remover :: Encrypt PDF :: PDF Split-Merge :: PDF Stamper :: VeryPDF PDFPrint :: Advanced PDF Tools :: PDF Editor Toolkit :: Text to PDF Converter :: PowerPoint to Flash :: PowerPoint Converter

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