How to Extract Text from a PDF Using OCR on iPhone

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If a region of your PDF is not searchable (does not contain a text layer), Highlights can extract the text using machine learning.

1. Make an image selection over the text you want extracted:

2. Tap on the image selection to bring up the annotation popover:

3. Tap the Text Recognition button:

Wait for the text to be recognized:

Once the recognition is complete your text will appear in the comment:

And the image in your notes will be converted to text:

4. Tap the Smart Copy button to copy the extracted text

The default language for text recognition is English (US), but you can change the text recognition language in settings: