Export Annotation to CSV and Natural Language Processing (NLP)


we see a good use case in the PDF.js at the moment for our product. However, PDF.js Express seems not to provide a output of the highlighted text in a csv file.

Do you have also a product where NLP features (semantic search etc.) are incorporated like semantic annotations. An example is: Software · Explosion


Hi there,

Thank you for contacting pdf.js express forums,

I believe PDFTron would be a better fit for you than pdf.js express:
Here is an example of semantic text-compare in PDFTron WebViewer:

and the documentation:

Best regards,
Kevin Kim

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