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.
Set Transparent Text Layer
When outputting a searchable PDF, you can use the following option to control the hidden text layer:
transparent_text: Whether to output a transparent text layer.
Sample
Full code sample which shows how to use the ComPDF OCR module on scanned documents in multiple languages.
python
input_file_path = "***"
password = "***"
output_file_name = "***"
pdf_options = ConvertOptions()
pdf_options.enable_ocr = True
error = CPDFConversion.start_pdf_to_searchable_pdf(input_file_path, password, output_file_name, pdf_options)