OCR adds a text interpretation layer to page images; it does not recreate the original document structure perfectly. For this pdf & documents question, the useful answer depends on evidence from the source, the properties named below, and the requirements of the final destination.
Pages, text flow, fonts, tables, forms, accessibility tags, signatures, and macros need separate consideration. In “OCR and searchable PDFs: what conversion can recover,” begin with this specific observation: Language selection materially affects recognition accuracy.
Three findings that guide this choice
The core distinction
Language selection materially affects recognition accuracy.
The practical trade-off
Tables, columns, handwriting, and low contrast need manual review.
The verification test
A hidden text layer can make a scan searchable while preserving its appearance.
A practical decision for this workflow
Keep the scan as visual evidence and treat OCR text as a reviewed derivative.
Use a hidden text layer can make a scan searchable while preserving its appearance. as the acceptance test on a representative source before committing an entire archive, publication, or delivery batch.
The pdf & documents mistake to avoid here
Deleting source scans after an unreviewed OCR pass misreads names, totals, or dates.
That failure conflicts directly with the recommendation for “OCR and searchable PDFs: what conversion can recover”: Keep the scan as visual evidence and treat OCR text as a reviewed derivative.
Review checklist before delivery
- ✓Page count, order, dimensions, and orientation are correct.
- ✓Text remains searchable or editable where required.
- ✓Tables, fonts, links, forms, and reading order were inspected.
- ✓Signatures and permissions are revalidated after conversion.
For “OCR and searchable PDFs: what conversion can recover,” success means the chosen result passes these topic-specific checks - Not merely that a new file opens.