You drag across the page and nothing highlights. The PDF looks normal, but it won't let you copy a word. It's almost certainly a scan, and there's a one-click fix that pulls the text out of any PDF, photo, or screenshot with OCR, right in Google Drive.

In our testing, a PDF cost 4,200 tokens versus just 1,100 as plain text. Convert PDF to Text by cloudHQ turns files or whole folders into clean TXT in one click, right in Google Drive, with OCR and auto-redaction built in.