What Is OCR and How Does It Work?\n\nOCR (Optical Character Recognition) is a technology that converts images of text into machine-readable characters.\n\n---\n\n## How OCR Works\n\n1. **Image Pre-processing:** The engine enhances contrast, removes noise, and binarizes the image.\n2. **Character Segmentation:** Individual letters and words are identified.\n3. **Pattern Recognition:** Each character is matched against trained language models.\n4. **Text Output:** Clean, copyable text is generated.\n\n---\n\n## Use OCR on iPDFDesign\n- [OCR PDF](/ocr-pdf) – Extract text from scanned PDF documents.\n- [Image to Text](/image-to-text) – Extract text from photos and screenshots.\n- [Captcha OCR Reader](/captcha-ocr-reader) – Solve image captchas with OCR.