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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
// Get the path of the PDF file.
NSString *pdfPath = @"...";
// Get the path of the PDF file.
NSString *outputPath = @"...";

CPDFConvertSearchablePDFOptions * options = [[CPDFConvertSearchablePDFOptions alloc] init];
[options setLanguage:COCRLanguageEnglish];

CPDFConverterSearchablePDF *converter = [[CPDFConverterSearchablePDF alloc] initWithURL:[NSURL fileURLWithPath:pdfPath] password:nil];
[converter convertToFilePath:outputPath pageIndexs:nil options:options];