Without OCR, you device won’t be able to read texts from the file. OCR refers to Optical Character Recognition, it is widely applied to recognize the texts from scans and images, so you don’t have to type each word again. If you want to search a scanned PDF, you need to make the file searchable first, in other words, convert an image PDF to text PDF with OCR. Convert Image PDF to Text PDF Online FreeĪ scanned PDF is in essence an image-based file, all the texts are saved in bitmap image format, you cannot copy, search or modify.Use Adobe to Convert Scanned PDF to Searchable PDF.Convert PDF to Searchable PDF on Windows.
