OCR adds an invisible text layer on top of the scan: the page looks identical, but you can search it, copy from it and convert it to Word.
Accuracy depends on scan quality — a clean 300 DPI scan of printed text typically reaches 95–99%.
Frequently asked questions
Do I need a paid OCR plan?
No, OCR here is free within the 50 MB limit.
Can it read Chinese?
Yes — pick “Chinese + English” for mixed documents.
Does OCR make the file bigger?
Slightly: the text layer adds data, and pages are optimised during processing.
Do it in the full tool
Open OCR PDF for all options, or jump straight to another step below.