Guides
Convert PDF to searchable PDF
Overview
To make a searchable PDF by adding invisible text to an image based PDF such as a scanned document using OCR.
Sample
Full code sample which shows how to use the ComPDFKit OCR module on scanned documents in multiple languages.
objective-c
SearchablePdfOptions *options = [[SearchablePdfOptions alloc] init];
[CPDFConversion startPDFToSearchablePDF:@"scan.pdf" password:@"" outputPath:@"output.pdf" options:options];