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PDF OCR: make a scanned PDF searchable

To OCR a PDF, each scanned page is read by Tesseract on your device and the text is placed invisibly over the image: the PDF can then be searched and copied without changing how it looks. The file is not sent to any server, and the preview marks words with an uncertain reading before the download.

The file never leaves your device

The PDF or photo

The text read

The text read from each page appears here, with uncertain words marked.

Everything happens in this tab; your file stays unchanged and you get a new PDF.

How to read

Document language

Reads accents and cedillas. The first time, it downloads the Portuguese model (1.4 MB).

Empty reads all pages (100 at most at a time); use commas and hyphens to choose.

Missing: the PDF or photo.