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How to quickly remove background color from PDF files for printing

1) Convert your PDF to images with PDFFill Free Tools (http://www.pdfill.com/pdf_tools_free.html)

2) Process your images in Batch with irFanView.

Use this guide to get irFanView and learn how to batch process:

http://www.maximumpc.com/irfanview_batch_resize_images_2014

In the color options, check boxes and set, under advanced:

 Contrast=127

Gamma=6.99

Saturation=-255

Do the batch processing.

3) Reconvert the images into a PDF using  PDFFill Free Tools

 

 

 

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