Drop in two versions of a document and see every changed word: deletions struck through, insertions highlighted, and a numbered change list. The contract stays on your device the whole time.
"Please review the attached revised agreement" is one of the most quietly dangerous sentences in business. Somewhere in those thirty pages, something changed: maybe the payment terms, maybe one word in the liability clause, maybe a single digit. Reading both versions side by side and hoping to spot it is not a method. A word-level comparison is.
Load the original and the revision, click Compare, and every difference is marked: the classic combined redline with deletions struck through in red and insertions highlighted in green, a side-by-side view, and a numbered list of just the changes with enough context to judge each one.
Think about what gets compared: employment agreements, settlement drafts, leases, acquisition terms, the contract where you need to know exactly what the other side changed. Upload-based comparison services put both versions of that document on their servers. This tool has no servers in the loop: the PDF text is extracted and diffed in your browser's memory, and it works with the network cable out.
Drop the original into the left slot and the revised version into the right, then click Compare. The tool extracts the text of both documents on your device and shows every difference word by word: a combined redline in the style lawyers use, a side-by-side view, and a numbered change list with surrounding context.
The documents people most need to compare are exactly the ones that should never be uploaded: contracts, offers, settlements. This tool has no server side; both PDFs are read and diffed in your browser's memory, and you can load the page, disconnect from the internet, and compare offline.
A redline is the combined view of both versions: text removed from the original appears struck through in red, and text added in the new version appears highlighted in green, in place. It is how legal and business teams have marked contract changes for decades, and it is this tool's default view.
A scanned PDF is a photograph of pages with no text layer, so there are no words to diff. Run both files through the PDF OCR tool on this site first, which adds a searchable text layer entirely in your browser, then compare the results here.
Yes, that is the point of word-level comparison: a $5,000 quietly becoming $50,000, a "shall" becoming "may", or a deleted "not" each show up as a distinct highlighted change in the redline and as an entry in the numbered change list. Formatting-only changes such as fonts or line breaks are ignored.