How does the PDF comparison tool highlight changes?

It displays both documents side-by-side and color-codes added text, deleted lines, and modified words.

Can it detect minor punctuation or word changes?

Yes. The comparison engine analyzes text streams down to individual character variations.

Yes. Scrolling either document automatically scrolls the opposite panel to match corresponding pages.

Scanned files should first be processed with OCR to enable precise text diff analysis.

Yes. All transfers use 256-bit encryption, and both files are purged automatically after 2 hours.

Compare PDF files online for free. Visually compare two PDF document versions side-by-side to highlight text changes and differences.