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AI PDF OCR (Scanned PDF Searchable)
Convert scanned, image-only PDF documents into copyable text files 100% locally and privately.
100% Secure & Offline
Upload Document
Select scanned PDF
Drag & drop or click to choose file
Extracted Text Output
Initializing PDF Renderer...
0% Complete
Pages Scanned: 0 / 0
Words Extracted: 0
Powered by: PDF.js & Tesseract.js WASM
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Frequently Asked Questions
Quick direct-answer guides about using this utility tool locally and securely.
What is AI PDF OCR and how does it work?
AI PDF OCR (Optical Character Recognition) converts scanned or image-based PDF pages into searchable, selectable text. It analyzes each page image, detects printed characters, and reconstructs them as machine-readable text while preserving the original layout.
Is this PDF OCR tool free to use?
Yes, KuberAgent AI PDF OCR is completely free with no sign-up, no watermark, and no
limit on the number of files you can convert.
limit on the number of files you can convert.
Is my scanned PDF uploaded to any server?
No. The OCR engine runs entirely in your browser using WebAssembly — your file is never
uploaded, stored, or seen by anyone during conversion.
uploaded, stored, or seen by anyone during conversion.
Why do I need OCR for a scanned PDF?
Scanned PDFs are essentially images — the text inside can't be selected, copied, or
searched. OCR reads the text within those images and converts it into real, selectable
text, making the document searchable and editable.
searched. OCR reads the text within those images and converts it into real, selectable
text, making the document searchable and editable.
Does OCR work on handwritten text?
The tool is optimized for printed text and works best on clear, machine-printed documents. Handwriting recognition accuracy depends on legibility and may vary significantly.
What languages does the PDF OCR support?
The tool supports English and several other major languages for text recognition. Accuracy is highest with clear, high-resolution scans in well-supported languages.
Will OCR change the formatting or layout of my PDF?
No, the tool preserves the original page layout and structure while adding a searchable
text layer — the visual appearance of your document stays the same.
text layer — the visual appearance of your document stays the same.
What's the difference between OCR and simply copying text from a PDF?
Regular copy-paste only works on PDFs that already contain digital text. Scanned or
photographed PDFs have no underlying text layer — OCR is required to generate one before any text can be selected or copied.
photographed PDFs have no underlying text layer — OCR is required to generate one before any text can be selected or copied.
How do I know if my PDF needs OCR?
Try selecting or highlighting a word in your PDF. If you can't select individual words,
or a text search finds nothing, your PDF is image-based and needs OCR to become searchable.
or a text search finds nothing, your PDF is image-based and needs OCR to become searchable.
How accurate is AI PDF OCR?
Accuracy depends on scan quality — clear, high-resolution scans with good contrast
typically achieve 95%+ character accuracy. Blurry scans, unusual fonts, or poor lighting
can reduce accuracy.
typically achieve 95%+ character accuracy. Blurry scans, unusual fonts, or poor lighting
can reduce accuracy.