OCR PDF (Scanned Text Extraction)
Turn scanned words into copyable text.
Extract text from scanned PDFs with OCR right in your browser — free online OCR for JPG/PNG/PDF extracts selectable, copyable text.
Calculator Inputs
About OCR Scanned PDF
Turn scanned words into copyable text.
Renders the first page of a scanned PDF (or a PNG/JPG) to a canvas and runs Tesseract.js OCR locally in the browser. No upload, no server — the engine and language model load from CDN.
Runs on the first page only for PDFs to keep processing fast; for multi-page OCR process one file at a time.
Where it is used
Digitizing printed forms, extracting quotes from contracts, searching paper scans.
How to use the OCR Scanned PDF
- PDF or Image (PNG/JPG) — select a file (application/pdf,.pdf,image/png,image/jpeg,.png,.jpg,.jpeg) — Up to 50 MB. Best results on clear scans. First page only for PDFs to keep it fast..
- Calculate — press the Calculate button to see the result instantly above.
Formula
Rasterize first page (pdf.js) → Tesseract.js LSTM OCR → text + confidence.
Examples
Example
Result: Photo of a receipt → extracted address, Date, Total
Frequently Asked Questions
- Why only first page for PDFs?
- Tesseract.js runs in-browser and each page is memory-heavy; single-page keeps it snappy. Use the PDF-to-image tool to export other pages.