OCR PDF

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Kompletní průvodce: OCR PDF

OCR (Optical Character Recognition) transforms scanned documents and images into searchable, selectable text. When you scan a paper document, the result is essentially a picture of the text — it looks like text but your computer treats it as an image, making it impossible to search, copy, or edit. iLoveDoc's PDF OCR tool analyzes the visual patterns in your scanned pages and converts them into actual digital text that can be searched, copied, and indexed. The OCR engine recognizes characters in multiple languages and handles various fonts, sizes, and even slightly skewed or degraded text. The resulting PDF is a "sandwich" format where the original scanned image is preserved as the visible layer while invisible, searchable text is added behind it. This means your document looks exactly the same but you can now search for words, copy text passages, and use screen readers for accessibility. Processing happens entirely in your browser for privacy.

Jak používat OCR PDF

1Upload a scanned PDF or image-based PDF document.
2The OCR engine analyzes each page, detecting and recognizing text characters.
3Select the document language(s) for optimal character recognition accuracy.
4Wait while the OCR processes each page — complex documents may take longer.
5Download the searchable PDF with recognized text embedded behind the scanned images.

Případy použití OCR PDF

Document Digitization

Convert paper archives into searchable digital documents for efficient retrieval and organization.

Accessibility

Make scanned documents accessible to screen readers and assistive technologies for visually impaired users.

Data Extraction

Extract text from scanned invoices, receipts, and forms for data entry, accounting, or analysis.

Proč používat OCR PDF na iLoveDoc?

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Vaše soubory jsou zpracovávány výhradně ve vašem prohlížeči. Nikdy se nenahrávají na naše servery, což zaručuje úplnou důvěrnost a ochranu dat.

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OCR PDF je zcela zdarma, bez nutnosti registrace a bez omezení velikosti souboru. Používejte jej tolikrát, kolikrát potřebujete.

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Zpracování je okamžité díky naší technologii lokálního prohlížeče. Žádné čekání, žádné fronty, žádné zpoždění serveru.

Často kladené otázky o OCR PDF

What languages does the OCR support?

The OCR engine supports dozens of languages including English, French, German, Spanish, Italian, Portuguese, Chinese, Japanese, Korean, Arabic, and many more.

How accurate is the text recognition?

For clearly scanned documents with standard fonts, accuracy typically exceeds 95%. Quality depends on scan resolution, contrast, and text clarity.

Will the scanned images be preserved?

Yes. The OCR creates a searchable text layer behind the original images. The visual appearance of your document remains identical.

Can OCR handle handwritten text?

OCR works best with printed/typed text. Handwritten text recognition has limited accuracy and depends heavily on legibility.

Does OCR make the PDF editable?

OCR makes the text searchable and selectable, but not directly editable in the PDF. To edit the recognized text, convert the OCR'd PDF to Word first.