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OCR PDF – Extract Text from Scanned PDFs and Images

Turn non-selectable scanned PDFs, receipts, and camera photos into editable plain text, structured JSON, or searchable PDF files in your browser.

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OCR PDF

How OCR PDF Works

When a document is created by a flatbed scanner, photocopy machine, or smartphone camera, the resulting PDF is really just a collection of flat pictures. You cannot highlight a sentence with your mouse, copy paragraphs into a report, or press Ctrl+F to search for a name, invoice number, or clause. Our OCR PDF tool uses Optical Character Recognition to read the shapes of letters inside scanned PDFs and image files (JPG, PNG, WebP) and turn them into real digital text.

Before reading characters, the engine applies adaptive contrast preprocessing to sharpen faded photocopies and uneven camera lighting, plus a hybrid check that instantly pulls any existing digital text layer if one is already present. You can choose English, Turkish, or bilingual recognition and pick between three practical output formats: Plain Text (.txt) with an instant copyable preview on screen, a Searchable PDF (.pdf) that places an invisible selectable text layer behind your original scan, or Structured JSON (.json) organized by page and line.

Privacy is critical when running OCR on tax assessments, academic certificates, court records, or medical bills. All image preprocessing and character recognition run right inside your web browser so your private documents are never stored on a remote server. For the highest recognition accuracy, make sure your scan is right-side up (use Rotate PDF or Clean Up Scan first if it is tilted) and specify only the page range you need when working with large books.

STEP-BY-STEP GUIDE

How to Use OCR PDF

Add a Scanned PDF or Image Select a scanned PDF document or one or more JPG, PNG, or WebP photos from your computer or phone.
Choose Language and Output Format Select your document language (English, Turkish, or both) and pick Plain Text (.txt), Searchable PDF (.pdf), or Structured JSON (.json).
Specify Page Range (Optional) Keep All selected to process the entire PDF, or enter specific pages like 1-5 to speed up recognition on long files.
Run OCR and Copy or Download Click the OCR button to extract the text, copy it directly from the preview panel, or download your chosen output file.
KEY FEATURES

Why Choose PDF Duzelt for OCR PDF?

  • Reads text from both scanned PDF files and camera images (JPG, PNG, WebP)
  • Three output modes: Plain Text (.txt), Searchable PDF (.pdf), and JSON (.json)
  • Adaptive contrast preprocessing that improves accuracy on faded photocopies
  • Page range filter to OCR specific chapters or pages without waiting on full books
  • 100% browser-based processing—confidential scans stay on your device
  • Free unlimited text recognition with no sign-up, watermarks, or page quotas
FREQUENTLY ASKED QUESTIONS

OCR PDF FAQs

What is the difference between Extract PDF Text and OCR PDF?

Extract PDF Text instantly reads PDFs that already contain a digital text layer. OCR PDF is designed for scanned documents and camera photos where the text is locked inside an image.

What does the Searchable PDF output option do?

It keeps the original visual appearance of your scanned pages while embedding a selectable, searchable text layer underneath so you can use Ctrl+F and highlight text.

Can I extract text from a phone photo of a page or receipt?

Yes. You can select JPG, PNG, or WebP images directly without converting them to PDF first, and the OCR engine will recognize the text.

How can I get better OCR results on a crooked or shadowed scan?

Run your file through our Clean Up PDF Scan tool first to deskew tilted lines and whiten gray shadows before running OCR.

Are my scanned documents uploaded to an external server for OCR?

No. Image enhancement and optical character recognition run locally inside your browser session, keeping sensitive records completely private.

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