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PDFs, scans, OCR and file formats — with practical ways to keep documents private.

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OCR explained: how scans become searchable text

Optical character recognition turns pictures of words into editable text. Here is how it works, where it fails and how to get a better result.

In plain English

Optical character recognition turns pictures of words into editable text. Here is how it works, where it fails and how to get a better result.

Why PDFs get large, which compression methods actually work, and how to shrink a document while keeping the parts that matter.

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