Support

Welcome to ContractDiff support. Find answers to common questions and learn how to get the most out of your document comparison tool.

Frequently Asked Questions

Getting Started

How do I compare documents?

1. Open ContractDiff
2. Click "Select Documents" to choose two PDF files (original and modified)
3. The comparison will start automatically
4. Review changes in Text mode or Preview mode
5. Use the Changes list to navigate differences

What are the viewing modes?

• Text Mode: Side-by-side comparison with line-by-line differences. Both documents displayed with synchronized scrolling.
• Preview Mode (Professional version): Original document with highlighted changes. Blue borders mark all modified areas.

Supported File Formats

What file formats does ContractDiff support?

• PDF documents (both native and scanned PDFs)
• Text-based PDF files work best for accurate comparison

Are there any file size limits?

• Free version: Standard document sizes (up to 50 pages recommended)
• Professional version: Large documents fully supported

Using Text Mode

How does Text Mode work?

• Displays both documents side by side
• Color-coded differences: green for additions, red for deletions, yellow for modifications
• Synchronized scrolling for easy comparison
• Click any change in the list to jump to that location

Using Preview Mode

How does Preview Mode work? (Professional version)

• Shows changes in original document layout
• Blue borders (2.5pt width) highlight all modified areas
• Borders persist for easy identification
• Click on a change in the Changes list to jump to that location
• The "All" button shows all content
• The "Changes" button is disabled in Preview mode for optimal viewing

Why can't I see the blue borders?

• Ensure you're using the Professional version
• Click on a specific change in the Changes list to trigger navigation
• The border appears around the modified area with a +80pt scroll offset for better visibility

Navigating Changes

How do I navigate through changes?

• Use the Changes list panel on the left side
• Click any change to jump directly to that location
• In Text mode: both left and right documents scroll to the change
• In Preview mode: the document scrolls to the change with a blue border highlight

What does the Changes list show?

The Changes list displays all modifications in your documents, organized by type (additions, deletions, modifications). Each entry shows a preview of the changed content for quick identification.

Exporting Reports

How do I export a comparison report? (Professional version)

1. Complete your document comparison
2. Click the "Export" button in the toolbar
3. Choose your preferred format: HTML or PDF
4. Select the destination folder
5. A professional comparison report will be generated

What's included in the exported report?

• Complete side-by-side comparison
• All changes highlighted and annotated
• Summary of additions, deletions, and modifications
• Professional formatting suitable for client presentations

Using Contract Mode (Risk Analysis)

What is Contract Mode?

Contract Mode is an advanced feature that automatically analyzes your contracts for legal risks. It detects 20+ types of common contract issues including liability clauses, payment terms, IP rights, termination conditions, confidentiality gaps, and more.

What risks does it detect?

Contract Mode identifies 20+ legal risk categories including:

• Liability & Indemnification - Exposure and liability limitation issues
• Payment Terms - Pricing, payment schedules, and currency concerns
• Termination Clauses - Notice periods, exit conditions, and obligations
• Confidentiality - NDA provisions and data protection gaps
• Intellectual Property - IP ownership, licensing, and transfer rights
• Warranty & Representations - Guarantees and accuracy statements
• Dispute Resolution - Arbitration, mediation, and jurisdiction clauses
• Non-Compete & Restrictions - Competition limitations and exclusivity
• Contract Term & Renewal - Duration, renewal, and evergreen provisions
• And 11 more categories... including audit rights, insurance, compliance, force majeure, amendments, and assignment provisions

How do I use Contract Mode?

1. Open your contract comparison in ContractDiff
2. Click the "Contract Mode" button in the toolbar
3. Review the risk analysis panel showing all detected issues
4. Each risk is categorized by severity (High/Medium/Low)
5. Click each risk to see detailed explanation and specific location in the document
6. Follow the recommendations to address identified concerns

Is Contract Mode available in the free version?

No, Contract Mode requires a paid subscription (Monthly or Yearly plan).

Template Comparison

What are Template Comparisons?

Template Comparisons allow you to check your contracts against 15 professional, industry-standard contract templates. You'll receive a compliance score (0-100) and alerts for any missing critical clauses.

What templates are included?

ContractDiff includes templates for 15 common contract types:

• Sales Agreement - Standard goods and services sales contracts
• Purchase Agreement - Procurement and vendor agreements
• Employment Contract - Full-time, part-time, and contractor agreements
• Non-Disclosure Agreement (NDA) - Mutual and unilateral confidentiality
• Service Contract - Professional services and consulting
• Lease Agreement - Property and equipment leasing
• Partnership Agreement - Business partnership structures
• Loan Agreement - Lending and financing arrangements
• Guarantee Agreement - Performance and payment guarantees
• Technology Contract - Software licensing and technology transfer
• Construction Contract - Building and construction projects
• Property Transfer - Real estate and asset transfers
• Equity Transfer - Share and ownership transfers
• Investment Agreement - Funding and investment terms
• Franchise Agreement - Franchising and licensing arrangements

What is the compliance score?

The compliance score (0-100) indicates how closely your contract matches the standard template structure. A score of 80+ means your contract includes most essential clauses. Lower scores highlight missing or incomplete sections that may need attention.

Is Template Comparison available in the free version?

No, this feature requires a paid subscription (Monthly or Yearly plan).

Annotation System

How do annotations work?

The Annotation System allows you to add comments, notes, and feedback directly to comparison results. You can:

• Set status: Open, In Progress, Resolved, or Rejected
• Assign priority: Low, Normal, High, or Urgent
• Add category labels: 6 types for organization
• @mention team members: For collaborative review
• Track discussion threads: Keep all feedback in context

Can I share annotations with my team?

Annotations are stored locally with your comparison project. You can export the full comparison report (including annotations) as HTML or PDF to share with colleagues.

Is the Annotation System available in the free version?

No, this feature requires a paid subscription.

Subscription & Pricing

What are the subscription plans?

• Free: $0 - 3 comparisons per day, 7-day history, basic text mode
• Monthly: $24.99/month - Unlimited comparisons, permanent history, all Pro features
• Yearly: $199/year - Save $100 (33% off), only $16.58/month, priority support

Is this a subscription or one-time purchase?

ContractDiff uses a subscription model with monthly and yearly plans. This ensures continuous updates, new features, and ongoing support. The yearly plan offers the best value with 33% savings.

Can I cancel my subscription?

Yes, you can cancel anytime through your Mac App Store account settings. Your subscription will remain active until the end of the current billing period. No refunds are provided for partial months or years.

How do I upgrade from Free to a paid plan?

Open ContractDiff → Settings → Choose "Subscribe Monthly" or "Subscribe Yearly". Complete the purchase through the Mac App Store.

How do I restore my purchase?

Open ContractDiff → Settings → Click "Restore Purchase". Your subscription will be restored automatically if purchased with the same Apple ID.

Feature Comparison

What's the difference between Free, Monthly, and Yearly plans?

System Requirements

What are the system requirements?

• macOS 13.0 or later
• Apple Silicon or Intel processor
• ~50 MB disk space
• No internet connection required (except for initial download and purchases)

Troubleshooting

The comparison isn't working. What should I do?

• Ensure both files are valid PDF documents
• Check that files are not password-protected or encrypted
• Verify files contain text (not just images)
• Try re-opening the documents

I can't see changes in Preview mode.

• Ensure you're using the Professional version
• Click on a specific change in the Changes list
• The blue border should appear around the modified area
• If the border doesn't appear, try scrolling manually to the change location

Export failed. What went wrong?

• Ensure you have write permissions for the destination folder
• Check that you have sufficient disk space
• Verify you're using the Professional version
• Try selecting a different output location

The app is running slowly with large documents.

• Large PDFs (over 100 pages) may take longer to process
• Close other applications to free up system memory
• Consider upgrading to Professional version for better performance

Contact Us

Additional Resources

• Privacy Policy - Learn how we protect your data
• Product Features - Explore what ContractDiff can do
• Download on Mac App Store