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OCR a Scanned PDF: Make Image PDFs Searchable

Can’t search or copy text in a scanned PDF? PDFusion runs OCR in your browser and overlays an invisible text layer — no upload, with Chinese support.

🚀 Start free

Steps

  1. 1

    Open the OCR tool

    Load a scanned PDF or image under “Recognize & Compare → OCR”.

  2. 2

    Pick the language

    Choose the document language (including Traditional Chinese) for better accuracy.

  3. 3

    Run recognition

    The tool recognizes each page and overlays text on the original image (the model downloads on first use).

  4. 4

    Download

    Export a searchable, copyable PDF.

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Recognition runs locally, so scanned IDs, contracts and the like are never uploaded to a cloud OCR service.

FAQ

Why is the first run slower?⌄
It downloads the recognition model the first time; after that it’s cached and much faster.
Does it support Chinese?⌄
Yes — it supports Traditional Chinese and other languages; pick the right one for best accuracy.