Private · In-Browser

Contract Difference

Upload an old and a new version of a contract and see exactly what changed — a word-level redline. Deterministic, and your documents never leave your browser.

We store none of your data

Processed in your browser, never uploaded. Money back if it doesn't work — no questions.

Old version

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Drop file or click

TXT or DOCX

New version

📄

Drop file or click

TXT or DOCX

What Contract Difference does

Upload an old and a new version of a contract and Contract Difference shows exactly what changed — a word-level redline with additions and deletions marked. Deterministic (a real diff, not a guess) and fully in your browser; your documents never leave your device.

Good for

Checking what the other side changed
Reviewing a redline before signature
Comparing an amendment to the original
Verifying a template was used unmodified