Does it compare formatting and images too?

No — it's a text comparison. It catches wording changes precisely, but not font, layout, or image changes.

Will it work on scanned PDFs?

Only if they have a text layer. Run scans through OCR PDF first, then compare.

No. Both PDFs are read and diffed entirely in your browser — nothing is sent anywhere.

See exactly what text was added and removed between two versions of a PDF, highlighted inline. Both files stay in your browser.

Processed on your device

Original

Drop the original PDF

or click to choose

Revised

Drop the revised PDF

or click to choose

PDF to Text

Pull the whole text layer out of a PDF into a plain .txt file you can copy or download.

Redact PDF

Draw a box over anything sensitive and it's genuinely deleted, not just painted over.

Rotate & Reorder PDF Pages

See every page as a thumbnail, then reorder, rotate, or remove pages.