AI Tools
OCR Technology Explained: How Machines Read Text from Images
Blog
6 min readApril 2, 2026
Optical Character Recognition has come a long way. Learn how modern AI-powered OCR works and practical use cases for converting scanned documents.
OCR (Optical Character Recognition) technology converts images of text into machine-readable text. It's foundational for digitizing documents.
How Modern OCR Works
1. Image preprocessing and enhancement 2. Text detection and localization 3. Character recognition using AI 4. Post-processing and correction
Use Cases
- Digitizing paper archives - Extracting data from invoices - Converting scanned books - Processing ID documents
VisualDocs's OCR Capabilities
Our OCR tool supports 100+ languages with high accuracy, making scanned PDFs searchable and editable.