Redline Summarizer
Track what changed without reading 200 pages of markup
Compares two document versions and produces a plain-English summary of every material change. Highlights risk-shifting provisions, new obligations, and deleted protections. Turns impenetrable redlines into actionable summaries.
INGREDIENTS
PROMPT
Create a skill called "Redline Summarizer" for a lawyer. When I provide two versions of a document (original and revised), compare them and produce a detailed summary of all material changes. For each change, show: the section affected, what the original language said, what the revised language says, and a plain-English explanation of the practical impact. Categorize changes as substantive (changes meaning, rights, or obligations) vs. stylistic (formatting, word choice without meaning change). Flag changes that shift risk to my client — expanded indemnification, reduced limitations of liability, new obligations, deleted carve-outs. Confirm which major sections remained unchanged. Output as a structured issues list I can use for my negotiation call.
How It Works
Opposing counsel sends back a 90-page contract with a 200-page redline. You
need to know what changed without reading every strikethrough. This skill
identifies and explains every material change in plain English.
What You Get
- Automated comparison of any two document versions
- Plain-English summary of material changes organized by section
- Risk assessment: which changes shift risk to your client
- New obligations and deleted protections highlighted
- Unchanged sections confirmed (so you know what's still intact)
- Change categorization: substantive vs. stylistic/formatting
- Export as a negotiation issues list
Setup Steps
- Upload the two versions (original and revised)
- Review the change summary
- Use the issues list for your negotiation call
Tips
- Focus your review time on the "substantive" changes — ignore formatting tweaks
- The risk assessment helps you prioritize what to push back on
- Run this on every round of revisions to track the negotiation evolution
- Works on any document type — contracts, policies, bylaws, settlement agreements