How to highlight text in PDF?

Question:. I recently bought the physical book but want it able to be on my phone/iPad. I know ways of taking pictures of the pages and converting it to PDF but is there a way to make it iBook format so I can highlight text in PDF and have the page turning animation? Is there any solution on VerPDF?

Answer: It is known that when highlight test in image PDF, it is not available. According to your needs, you can convert the PDF from picture to test based PDF file then you can highlight text in it. If you need to create iBook with the page turning animation, VeryPDF also can help you in this aspects. In the following part, I will show you how to create iBook by taking pictures with highlight text function and page turning animation.

Step 1. Make PDF from picture with highlighting text function

  • Download software VeryPDF OCR to Any Converter Command Line. This software is command line version, it can help you make picture PDF to text based PDF. When downloading finishes, please extract it to some folder then you can call the executable file in MS Dos Windows.
  • Next time when you take picture of physical book, you do not need to convert them to PDF as this software can convert image file to searchable PDF directly.
  • Here is the usage and some examples for your reference.
  • Usage:       ocr2any.exe [options] <PDF-file> <Text-file>
  • When converting image or image based PDF file to searchable PDF for highlighting text function, please refer to the following command line templates.
  • ocr2any.exe -bitcount 24 -ocrmode 4 -ocr C:\in.pdf C:\out.pdf
    ocr2any.exe -bitcount 8 -ocrmode 4 -ocr C:\in.pdf C:\out.pdf
    By this command line, you can convert PDF from pictures to searchable PDF which allows you to highlight text in PDF. Meanwhile, you can specify the bit count of output PDF file.
    ocr2any.exe -ocrmode 4 -ocr C:\in.tif C:\out.pdf
    By this command line, we can output to OCRed PDF file (Color) with hidden text layer.
    ocr2any.exe -ocrmode 3 -threshold 200 -ocr C:\in.tif C:\out.pdf
    This command line can help you output  OCRed PDF file (BW) with hidden text layer and specify the threshold.
    ocr2any.exe -ocrmode 4 -rotate 90 -ocr C:\in.tif C:\out.pdf
    If you take some picture slop by mistake, by this software you can rotate it and convert it PDF straightly.

Now let us compare input PDF and output PDF file from the following snapshot.

input picture and output PDF

When you create iBook from this kind of PDF file, you can highlight text in any part of the PDF file. And when you need to create iBook and set the page turning animation, please have a free trial of this software: VeryPDF Flipbook Maker. By this software, can add music and/or flip sound to the output flipbook. Both are added to the flipbooks by default. Please check the animation setting from the following snapshot.

setting of annimation

By those two software, you can highlight text in iBook creating by taking pictures from physical book and keep the page turning animation. During the using, if you have any question, please contact us as soon as possible.

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