How to Extract Text from Scanned Images and PDFs with OCR
Published on January 30, 2026 by PDFscaler Editorial Staff
Imagine receiving a 20-page scanned PDF contract or a photograph of an important presentation slide, only to realize you cannot highlight, copy, or search any of the text. Manually retyping hundreds of words from an image is frustrating, slow, and prone to human typos.
This is where Optical Character Recognition (OCR) comes to the rescue. OCR technology automatically reads visual pixel patterns, identifies letter and number shapes, and converts static image graphics into fully editable, copyable digital text.
In this guide, we break down how OCR technology works, explore practical everyday applications, provide a step-by-step walkthrough, and share expert tips for achieving 99%+ extraction accuracy.