I need a pdf to pdf OCR converter (command line), can you help me?

Dear support,

I need a pdf to pdf OCR converter (command line).  I tested with your products in two steps.1. Doc2pdf.exe (to convert a pdf (without OCR) to tiff 2. Img2pdf.exe (to convert the tiff to a PDF (with OCR) . I have a lot of PDF's (without OCR) and want to convert the complete batch. Please, can you help me with  (command line) solution ?

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Requirements of this customer: command line converter, pdf to pdf ocr, batch conversion, convert a (non searchable) pdf to a searchable pdf. ,

Solution: Software Image2PDF OCR Command line.  Cater to your demands, this software will be your best choice. Main function: convert scanned PDF and image files to searchable PDF files. Then searching keywords in created searchable PDF files  is  reachable. Meanwhile if you need to call this software from VB or VC++ or C# or other net. languages, it is practicable. As to the batch conversion, there is no other form is better than the command line version software.

Take converting pdf file to pdf ocr for example, the command should be inputted like this:

img2pdf.exe -x 1 -o C:\out.pdf C:\in.tif

Free down loading link: http://www.verypdf.com/tif2pdf/image2pdf_cmd_ocr_trial.zip

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Extended reading:

From pdf to pdf ocr is just a slice of Image2PDF OCR Command Line v3.2.  It also can convert the image file to searchable PDF file in batch.  Say convert scanned pdf, tiff, jpg or other image file formats to ocr pdf. Take converting scanned tiff file to ocr pdf files for  example, the command should be inputted like this:  img2pdf.exe -x 1 -o C:\out.pdf C:\in.tif

You can also call “img2pdf.exe” from your C#, .NET, ASP, ASP.NET, VB, Delphi, C++, etc. program languages, you can use Create Process() or Create Process As User() function to call img2pdf.exe from these program languages.

Kindly reminder: This software will be a little weak in converting the multicolor image files or PDF files. But it can show excellent work in converting the black and white image files or PDF files. 

So two pieces of suggestions here:

1. Please input black and white TIFF files (or other formats) for OCR engine,
2. Please scan your documents to black and white image files (or other formats) at 200DPI or 300DPI or more.

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