How accurate is the OCR?

Accuracy depends on scan quality. Clear, high-resolution scans at 300 DPI or above typically achieve over 95% accuracy. Blurry or low-contrast scans may produce less accurate results.

What languages are supported?

The OCR engine supports multiple languages including English. Check the tool interface for the full list of supported languages.

Does OCR processing happen on a server?

No. The OCR model runs locally in your browser using WebAssembly. Your scanned documents are never uploaded to any server.

OCR PDF Online Free

Scanned PDFs contain images of text that you cannot select or search. Toolin's free OCR tool uses AI to recognize text in scanned documents directly in your browser. No files are uploaded to any server.

Open OCR PDF

How to OCR a PDF

Load your scanned PDF into the OCR tool.
The AI model processes each page locally in your browser.
Extracted text is overlaid onto the PDF, making it searchable and selectable.
Download the OCR-processed PDF with embedded text.

Common Use Cases

Make scanned contracts searchable for specific clauses.
Extract text from scanned invoices for data entry.
Convert scanned books or articles into selectable text.
Enable copy-paste from scanned legal documents.
Archive scanned documents with searchable text layers.

Frequently Asked Questions

How accurate is the OCR?: Accuracy depends on scan quality. Clear, high-resolution scans at 300 DPI or above typically achieve over 95% accuracy. Blurry or low-contrast scans may produce less accurate results.
What languages are supported?: The OCR engine supports multiple languages including English. Check the tool interface for the full list of supported languages.
Does OCR processing happen on a server?: No. The OCR model runs locally in your browser using WebAssembly. Your scanned documents are never uploaded to any server.