Choose the right pages
OCR every page or enter ranges such as 1, 3-5. The tool checks for existing selectable text before processing.
PDF Tools · Local processing
Make scanned PDFs searchable with English OCR while preserving the original page appearance.
English OCR · original pages preserved
The practical guide
Selected pages are rendered only for recognition. The original PDF pages remain underneath a positioned, invisible text layer.
OCR every page or enter ranges such as 1, 3-5. The tool checks for existing selectable text before processing.
Clear, straight, high-resolution English text works best. Handwriting, multi-column pages, forms, tables, and faint scans can be less accurate.
OCR adds searchable and selectable words. It does not recreate the original document’s semantic structure, reading order, form fields, or source layout.
Privacy by architecture
Your PDF and OCR results are processed locally in your browser. The document is not uploaded to any server.
Questions, answered
No. PDF rendering, English OCR, text placement, and export run locally in this browser.
It keeps the scanned page image and adds text data that PDF viewers can search or select.
It may recognize clear handwriting, but accuracy is usually lower than for printed text.
Yes. The tool preserves the original PDF page and adds a transparent text layer.
Low resolution, skew, blur, unusual fonts, columns, tables, and complex backgrounds make recognition and word placement harder.