I need a Java library to convert PDFs to TIFF images. The PDFs are faxes, and I will be converting to TIFF so that I can then do barcode recognition on the image. Can anyone recommend a good free open source library for conversion from PDF to TIFF?
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Here's how to convert PDF to TIFF with PDF Candy: add your PDF (use the drag and drop mechanism or hit the 'Add file' button), choose the quality of the conversion (High, Medium, or Low), hit the 'Convert PDF' button, and download the output TIFF file or archive with the image files. Convert pdf to tiff Online & free tool to convert pdf files to tiff. The format was not released as an open source document format until 2008, though minimal proprietary technologies still controlled by Adobe Systems exist in the format. Every.pdf document carries with it the necessary meta information required to properly reconstruct the text.
RedFilter
When I open the converted PDF file, the zoom% is always 141% and I need that to be 100% and some of the text is cut in the converted PDF image. I am using the attached file just for testing but I am looking for generic code to convert all tiff files to PDF.
RedFilter
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closed as off-topic by p.s.w.g, rgettman, ryan1234, animuson♦Jul 22 '13 at 20:01
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9 Answers
Disclaimer: I work for Atalasoft
We have an SDK that can convert PDF to TIFF. The rendering is powered by Foxit software which makes a very powerful and efficient PDF renderer.
Lou FrancoLou Franco
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I can't recommend any code library, but it's easy to use GhostScript to convert PDF into bitmap formats. Musixmatch for pc free download software. I've personally used the script below (which also uses the netpbm utilties) to convert the first page of a PDF into a JPEG thumbnail:
You can use AlnitakAlnitak
-sDEVICE=tiff.. to get direct TIFF output in various TIFF sub-formats from GhostScript.
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we here also doing conversion PDF -> G3 tiffs with high and low res. From my experience the best tool you can have is Adobe PDF SDK, the only problem with it is its insane price. So we don't use it.
Open Source Pdf To Tiff Converter
what works fine for us is ghostscript, last versions are pretty much robust and do render correctly majority of the pdfs. And we have quite a few of them coming during the day. In production conversion is done using the gsdll32.dll; but if you want to try it use the following command line:
it would convert your PDF into the high res G3 TIFF. and prefix.ps code is here:
another thing about this sdk is that it's open source; you're getting both c and ps (postscript) source code for it. Also if you're going with another tool check what kind of an engine they have to power the pdf rendering, it could happen they are using gs for it; like for instance LeadTools does.
hope this helps, regards
serge_gubenkoserge_gubenko
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You can use the icepdf library (Apache 2.0 License).They even provide this exact use case as one of their example source code:http://wiki.icesoft.org/display/PDF/Multi-page+Tiff+Capture
agrzagrz
Maybe it is not neccessary to convert the PDF into TIFF. The fax will most likely be an embedded image in the PDF, so you could just extract these images again. That should be possible with the already mentioned iText library.
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I don't know if this is easier than the other approach.
zap
p.s.w.g
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gustigusti
No Itext can not convert PDFs to Tiff.
However, there are commercial libraries that can do that. jPDFImages is a 100% java library that can convert PDF to images in TIFF, JPEG or PNG formats (and maybe JBIG? I am not sure). It can also do the reverse, create PDF from images. It starts at $300 for a server.
Lilounet
Here is a good article and wrapper classes for using GhostScript with C# .NET..ended up using this in production
woggleswoggles
Pdf To Tiff Batch Converter Open Source
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I have some great experience with iText (now, I'm using 5.0.6 version) and this is the code for tiff convertion into pdf:
Open Source Pdf Converter
Andrea RedshotAndrea Redshot
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