1. A method comprising: for each known text sample of a plurality of known text samples, each known text sample having a text type, generating, by a processor, an image of the known text sample; for each optical character recognition (OCR) engine of a plurality of OCR engines, inputting the image of the known text sample, by the processor, into the OCR engine; receiving output text corresponding to the image of the known text sample, by the processor, from the OCR engine; and, comparing the output text received from the OCR engine with the known text sample, by the processor, to determine a confidence value of the OCR engine for the text type of the known text sample.