PDF OCR
Run OCR on scanned PDFs to extract text.
Browser limitation
OCR (Optical Character Recognition) on scanned PDFs requires a machine-learning model (e.g. Tesseract) that is too large to run reliably in-browser.
Free alternatives for PDF OCR
What you can do here instead
Try PDF to Text or PDF to JSON to extract plain text content from your PDF entirely in the browser - no upload needed.