.docx) and request AI-powered modifications that are returned as professional “redlines” (tracked changes). This bridges the gap between conversational AI editing and professional document review.
Overview
When you ask mixus to edit a document, the Redline Tool orchestrates a sophisticated process:- It analyzes the original document structure.
- It applies your requested changes using advanced LLMs (like Claude 3.5 Sonnet).
- It performs a professional comparison between the original and the edited version.
- It returns a new Word document with Track Changes enabled, showing exactly what was modified.
Key Capabilities
1. Professional Track Changes
Instead of just giving you a block of text, the Redline Tool returns a standard Microsoft Word document with native track changes. You can open this in Word, review each change, and accept or reject them individually.2. Intelligent Document Markup
The tool doesn’t just swap text; it understands document context:- Negotiation Comments: Can insert “BigLaw” style negotiation comments explaining why a change was made.
- Source Citations: Can add footnotes with citations to market best practices or specific knowledge base documents.
- Risk Analysis: Automatically flags potential legal or business risks introduced or addressed by the changes.
3. Multi-Source Support
You can redline documents from various sources:- Attachments: Documents you just uploaded to the chat.
- Memory: Documents previously stored in your mixus knowledge base.
- Generated Docs: Documents mixus just created for you.
- External URLs: Documents downloaded from integrated services like Google Drive or SharePoint.
4. Advanced Validation
To ensure high quality, the tool performs multiple validation passes:- Content Accuracy: Verifies changes align with your instructions.
- Instruction Completeness: Ensures all requested fields (like effective dates or party names) are filled.
- Format Integrity: Maintains the original document’s styling and structure.
How to Use
Simply upload a.docx file and provide instructions.
Example Prompts
Output Artifacts
When a redline operation completes, mixus provides:- Redlined Document: The primary
.docxfile with Track Changes. - Clean Version: (Optional) A version with all changes already accepted.
- Comparison PDF: A quick-view PDF showing the redlines for easy mobile viewing.
- Issues List: A summary document listing all major changes and identified risks.
Legal-Specific Features
For specialized legal use cases, the Redline Tool includes advanced features like attorney-grade validation and risk detection.Learn More about Legal AI
Explore our professional legal redlining capabilities, including multi-pass
review and source citations.

