You press Ctrl+F in a scanned contract to find a name: "no results". Yet the name is right there on page one. You try to copy a paragraph: either nothing gets selected, or the whole page turns blue like a single picture. Behind searches like "can't copy text from PDF" and "scanned PDF to Word", it's always this scene.
The reason is simple: a scanned PDF is really a stack of photos of pages. You see letters; the computer sees colored dots. Turning those dots back into letters is called OCR (optical character recognition). This guide explains how to copy text from a scanned PDF, how to make a PDF searchable, and how to convert a scanned PDF to Word.
Why can't I copy text from my PDF?
There are two possible reasons, and they have different fixes:
- The page is really an image (a scan or a phone photo), so there's no text inside to copy. The fix is OCR.
- There is text, but copying isn't allowed. The PDF has a permissions password: you can select the text but not copy it, or the copy option is greyed out. If you know the password, Unlock PDF removes the restriction. We explain the difference in PDF passwords explained.
An easy way to tell: double-click a word. If one word gets selected, there's text. If the whole page gets selected, or nothing happens, the page is a picture.
How do I make a scanned PDF searchable?
- Open OCR PDF and pick the scanned PDF.
- Choose the document's language (up to three). The right language matters a lot: recognize a German document as English only and the umlauts turn into other letters.
- Leave "Skip pages that already have text" on, so pages that already contain text aren't touched.
- Start, then download.
OCR doesn't change how the page looks. It adds an invisible text layer behind the image. The page looks exactly as before, but now you can search it with Ctrl+F, select and copy the text, and have a screen reader read it aloud.
Yeti's OCR recognizes English, Turkish, German, French, Spanish, Italian, Russian, Arabic, Dutch and Portuguese. It runs in your browser, so even scans of ID cards or medical letters never go to a server.
A note from Yeti: OCR is a guessing game. I'm great at reading footprints in snow, OCR is great at reading letters in a sharp scan. We both struggle with smudged tracks.
How do I convert a scanned PDF to Word?
Two steps:
- Recognize the text with OCR PDF first.
- Then use PDF to Word in "Editable text" mode.
Convert without OCR and the Word file just contains pictures of the pages. A Word document made from an OCR'd scan needs a bit more tidying, since recognition errors carry over into the text. We cover why layouts break and how to clean them up in converting PDF to Word.
If you only need plain text, turn on "Also export the text as TXT", or use PDF to Text afterwards. To get a scanned table into a spreadsheet, it's the same order: OCR first, then PDF to Excel.
Why does OCR sometimes produce nonsense?
OCR quality depends heavily on scan quality. The usual suspects:
- Low resolution. Below 150 dpi, small letters blur together. 300 dpi is ideal for text documents.
- Skewed pages. Even a few degrees of tilt splits lines in the wrong places.
- The wrong language. Accented letters fall apart when the language isn't selected.
- Stamps and lines. Your eyes can read text under a stamp; OCR often can't.
- Handwriting. OCR is built for print; handwriting usually isn't recognized.
The typical errors are predictable too: "l", "1" and "I" get mixed up; "O" and "0" swap; "rn" sometimes reads as "m". If you're copying an ID number, an IBAN or an amount, check it by eye.
Preparing a scan for better OCR
- Straighten the pages. Turn upside-down or sideways pages with Rotate PDF.
- Crop the edges. Desk, fingers and shadows confuse recognition; Crop PDF can find white margins automatically.
- Use the black-and-white filter when shooting with a phone. The filter in Scan Document boosts contrast and reduces shadows.
- Pick the right languages. For a contract in one language with an appendix in another, select both; adding languages you don't need only slows things down and adds errors.
How do I check the result?
Search the downloaded file for a few words you know are in it; pick one with accented letters if you can. Then copy a paragraph into a text editor. How cleanly the letters come through tells you right away how well OCR did on this document.
Frequently asked questions
Is copying text from a scanned PDF free?
Yes. OCR PDF is free with no sign-up, and recognizes up to 200 pages per operation.
Can OCR read handwriting?
Usually not. OCR is designed for printed text; handwritten notes are either skipped or turned into gibberish.
Does OCR make the file bigger?
Only slightly. It just adds an invisible text layer; the page images stay the same.
Can I copy text from a photo I took with my phone?
Yes. Turn the photos into a PDF with Scan Document or JPG to PDF first, then run OCR.
Can I redact a name in a scanned PDF?
Yes. Redact PDF recognizes the text on scanned pages by itself, so you don't need to run OCR separately.
In short
If you can't copy text from a PDF, find out why first: an image needs OCR, a copy restriction needs unlocking. To convert a scanned PDF to Word, OCR first, convert second. A sharp scan and the right language are half the result.