For most readers and for most documents, text rendered in a browser-based font will be more readable than the text in the scanned image. PDFelement recommends the “editable” (visible text) mode, and that’s the one that works best with Hypothesis. And “editable” means that the text on the scanned page is hidden, what you read is the same text that is rendered - now visibly - on the web page. When you click Perform OCR your options are:įor our purposes, “searchable” means that the text you read is the text that appears on the scanned page, whereas the text you select is rendered into a hidden layer on the web page. ! We detect this is a scanned PDF, and recommend you perform OCR, which enables you to copy, edit, and search texts from scanned PDF documents. When you open an image-only PDF in PDFelement, the program says: PDFelement () is another tool that can convert an image-only PDF to a text-based PDF that can be annotated. Here are written instructions for using Adobe Acrobat’s OCR technology, or you can watch a short video tutorial below: If you do not have an Adobe subscription, you might consider downloading a free trial of Acrobat or checking with your school, institutional, or local library. To use the tutorials below, you will need to have Adobe Acrobat installed. ![]() ![]() Below you’ll find some other options you can use to OCR a document. We’ve included directions on how to use a tool called docdrop at the top of this article.
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