Image OCR & Text Extractor
Instant in-browser OCR text extractor supporting multi-language recognition with zero server uploads and total privacy.
Choose Image or Drag & Drop
Supports PNG, JPG, JPEG, WEBP, BMP or Paste (Ctrl+V)
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OCR Confidence
Extracted text will appear here. Click any recognized word to preview its exact boundary box on the image canvas.
How to Use This Tool
1
Select or Paste Image
Drop your document or photo into the box or paste directly from clipboard using standard keyboard shortcuts.
2
Configure Enhancements
Choose your language model and optional binarization filter to remove background noise for up to 99% accuracy.
3
Extract & Inspect
Run optical extraction, verify the confidence score, click words to trace positions, and copy or save text.
Frequently Asked Questions
Are my uploaded images sent to any server?
No. Optical recognition executes entirely on your device via client-side Web Workers. Your images, credentials, and extracted texts never get transferred to any external server or third-party storage.
How does binarization improve OCR accuracy?
Canvas pixel thresholding removes uneven shadows, wrinkles, and background colors, converting text into sharp monochrome pixels. This allows the OCR engine to detect edges cleanly without noise interference.
Are trained language models downloaded every time?
No. Tesseract.js caches training models directly inside your browser's IndexedDB storage. Subsequent OCR requests run locally without re-downloading files across visits.
Can I extract handwritten text or notes?
Neat block handwriting can be recognized, but the system is specifically tuned for machine-printed letters, digital book scans, screenshots, receipts, invoices, and standard documents.
How does word positioning and highlight preview work?
Tesseract detects specific spatial coordinate bounds for every word. Clicking any text segment on the output panel triggers an overlay box over the corresponding region on the source canvas.
What formats and clipboard actions are supported?
You can paste image data directly from the system clipboard or upload standard PNG, JPG, JPEG, WEBP, and BMP formats. Files are exported cleanly with verified names.
Processing OCR Engine
Initializing OCR worker...
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