An OCR device, also known as an optical character recognition device, is a device that converts scanned text into digital text format. There are several synonyms for OCR device, including document scanner, text reader, optical reader, and character recognition software. A document scanner is a device that scans physical documents and converts them into digital format using OCR technology. Text readers and optical readers are software programs that can be used to read text from images, while character recognition software is a program that converts handwritten or printed text into digital format. All these synonyms refer to devices that use OCR technology to improve the efficiency of document processing by making the text easily editable and searchable.