[OCR File Format APIs for Ruby Open Source Ruby APIs for OCR Operations Open Source Ruby APIs to Add OCR Capabilities to Ruby Apps & Perform OCR on Images, Scanned Documents & PDF Files OCR File Format APIs for Ruby Include OcrSpace Open Source Ruby OCR Library for Loading and Converting images to text. You can get text from images, PDFs, or scanned documents via URL or Disks for free. Ruby-Tesseract-OCR Open Source Ruby Optical Character Recognition (OCR) API to load, recognize and extract text from images (scanned images & PDF files).]