How to Extract Tables from Images to Excel and Text
Learn how to extract tables from images, invoices, and documents into Excel or CSV: grid detection, reading order, and AI vs classical OCR workflows.
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OCR Guides & Resources
Short, practical articles on getting usable text from images — capture tips, privacy habits, and honest limits of free online OCR. Written and reviewed by Elango P, who maintains the tool at imgtotext.in. We keep the catalog focused rather than publishing endless keyword variations.
Latest Articles
How to Digitize Documents in Indian Languages
A comprehensive guide to digitizing documents in Indian languages: Tamil, Hindi, Devanagari script challenges, matra alignment, and Unicode OCR pipelines.
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OCR Engine Benchmark: Gemini vs Tesseract (Measured CER)
Original 12-image benchmark of Google Gemini vs Tesseract 5 LSTM with published corpus, ground truth, and per-category character error rates.
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AI OCR vs Traditional OCR: Gemini vs Tesseract Compared
Comparing cloud AI OCR and classical engines like Tesseract on accuracy, privacy, cost, and speed — and when each one wins.
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OCR and Privacy: What Happens to Your Uploaded Images
How this site handles images on the AI path vs the browser fallback, what stays local, and guidance for sensitive documents.
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How to Improve OCR Results on Low-Quality Images
Practical fixes for lighting, cropping, resolution, glare, and compression — and when to just retake the photo.
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OCR Accuracy and Limitations: What It Gets Right (and Wrong)
An honest look at what OCR handles well, where it struggles — print vs handwriting, tables, glare — and why proofreading still matters.
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Advanced OCR Techniques: Accuracy, Preprocessing & PDFs
How to lift OCR accuracy with image preprocessing such as thresholding and deskewing, handle scanned PDFs page by page, and keep sensitive files safe.
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OCR for Developers: APIs, Python & JavaScript
Technical guide to OCR for developers: choosing hosted APIs vs self-hosted engines, plus working Tesseract.js JavaScript and Python code examples.
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