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How do I know if a PDF is a scan?

Updated 2026-09-17 · 2 min read

Try to select a word. If the cursor draws a rectangle instead of highlighting characters, the page is an image.

Searching for a word you can plainly see is the other quick test — no results means no text layer.

PDFfont edits PDF text in the document's own embedded font — no white cover boxes.

What you can still do

Add text, signatures and form fields on top, redact regions by removing pixels, and reorganise pages. In-place text editing needs real text.

Yes — open your file in the editor, make one change and export it. Seven days of unlimited editing costs $1.

Yes, on iPhone, iPad and Android in the normal browser.

$1 for 7 days of unlimited editing and downloads, then $5 a month or $29.99 a year. Cancel anytime.