What happens here
The OCR tool renders your PDF, runs the bundled Tesseract engine locally and exports a UTF-8 text file. You can select English, Hindi or both. The site does not upload document pages for recognition and does not claim to add a searchable text layer to the original PDF.
Prepare a better input
Use straight, well-lit pages with enough resolution for the smallest text. Crop away unrelated backgrounds before making the PDF. A sharp printed page usually gives better results than cursive handwriting, a blurred photo or heavily compressed small type.
Review what matters
Check names, decimal points, account numbers, dates and Hindi matras directly against the scan. OCR can confuse visually similar characters. Table columns may be read in the wrong order. For long documents, split the PDF into smaller groups to avoid phone memory limits.
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Further reading
Updated 2026-10-18. These are implementation notes and practical explanations, not a conformance certificate.