OCR Setup

NAPS2 has the capability to use optical character recognition (OCR) to make text in scanned documents searchable, rather than simply being treated as an image.

Downloading Languages

To start using OCR, click the "OCR" button in the toolbar (or "Tools" → "OCR" on Mac).

The first time you click the "OCR" button, you'll be prompted to download a language. Pick whichever languages you want to use for OCR, then click "Download".

Enabling OCR

Once the download is complete, you'll see the "OCR Setup" window.

Verify that "Make PDFs searchable using OCR" is checked (and that you have the right language selected), and every PDF you save from now on will have OCR'd text.

Multiple Languages

If you have a document that has text in more than one language, you can select "Multiple Languages..." from the "OCR language" dropdown.

This will only appear if you have more than one language downloaded. Click "Get more languages" to download more.

Select the languages that will be in the document.

Once you press "OK", both languages will be shown in the language dropdown.


Other Options

Copying Text

NAPS2 doesn't have a way to save OCR results directly to a text file. If you just want the text you can save as PDF, and in your PDF viewer, use Select All and Copy to copy the text and paste it wherever you want.

Imported Documents

If you have OCR enabled, NAPS2 can add OCR to existing PDF files you import. NAPS2 follows a simple rule: if a page already has text, it leaves it alone; if it doesn't, OCR will be used.

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