I don't find that clear at all. And this is also important to non-developers.
Also, for nearly all documents I ever need to scan, if they're important enough to require scanning, they're important enough that a third party should have nothing to do with them.
The majority of exceptions to the above being, ironically, documents without text, sketches, doodles, etc.
`For developers: Copyfish is published under the GPL open-source license. As OCR software, it uses the free OCR API from https://ocr.space/ .`