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I am looking for an online OCR website for processing a multi-page pdf file at one time. Free preferably.

I know http://www.newocr.com/. If I am correct, it can only OCR one page at a time, by manually clicking "Preview" and then clicking "OCR" for each page. After each page is OCRed, I have to copy out the text result manually too.

If my pdf file has 30~ pages, it will be tedious to repeat the above process for each page. I wonder if there is some other online websites that OCR a whole pdf file, without asking me for manual operation?

Thanks!

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closed as off topic by Dennis, Journeyman Geek, Daniel Beck, DragonLord, Mokubai Jul 18 '12 at 19:58

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Questions about online services are a better fit for Web Apps. I would have voted to migrate, but there's already Are there any online OCR services?. –  Dennis Jul 6 '12 at 15:54
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2 Answers

up vote 2 down vote accepted

Google Docs can OCR PDFs but I think you'll need to upload your PDF to the Docs website for that to work. Here's a blog entry talking about how the process works:

http://googledocs.blogspot.co.uk/2011/02/optical-character-recognition-ocr-in-34.html

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Thanks! (1) I find that I can choose to download the output file in txt format, so the scanned images are gone. (2) A new question: the output seems to be truncated at the 10th page. The pages beyond have been lost. Isn't it? –  Tim Jul 6 '12 at 16:03
    
I think you're right, only the first ten pages are OCRed. support.google.com/docs/bin/answer.py?hl=en&answer=176692 –  snowdude Jul 7 '12 at 22:25
    
This answer appears to be outdated -- it references material written in 2011, well before Google Docs became a part of Google Drive. –  SamtheBrand Nov 1 '13 at 19:23
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I have used this free online tool for OCR'ing multi-page PDF files:

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