Powerful Features

Everything you need to compare, analyze, and understand code differences with precision and speed

Core Features

Multi-Language Support

Support for JavaScript, TypeScript, Python, Java, C++, CSS, HTML, PHP, and more programming languages.

  • • Syntax highlighting for all supported languages
  • • Language-specific diff algorithms
  • • Automatic language detection

Visual Diff Analysis

Clear visual representation of code changes with intuitive color coding and line-by-line comparison.

  • • Red highlighting for deletions
  • • Green highlighting for additions
  • • Side-by-side comparison view

Lightning Fast

Instant diff calculation with optimized algorithms that handle large files efficiently.

  • • Real-time diff updates
  • • Handles large code files
  • • No server processing delays

Privacy & Security

Complete privacy with local processing. Your code never leaves your browser.

  • • 100% client-side processing
  • • No data transmission to servers
  • • Secure local storage

Export Options

Generate and download comparison reports in multiple formats for documentation.

  • • PDF reports with formatting
  • • HTML export with styling
  • • Plain text diff output

Smart Storage

Intelligent local storage with automatic management and size optimization.

  • • Automatic storage size checking
  • • Local browser storage
  • • Session persistence

Advanced Features

Intelligent Analysis

Smart Diff Algorithms

Advanced algorithms that detect moved code blocks and semantic changes.

Whitespace Control

Option to ignore or highlight whitespace differences for cleaner comparisons.

Context Awareness

Understand code structure and provide meaningful diff context.

User Experience

Responsive Design

Works perfectly on desktop, tablet, and mobile devices.

Keyboard Shortcuts

Efficient keyboard navigation and shortcuts for power users.

Accessibility

Full accessibility support with screen reader compatibility.

Perfect For

🔍

Code Reviews

Compare versions and understand changes in your codebase.

🎓

Learning

Students and educators comparing code solutions and examples.

🚀

Development

Debug issues, refactor code, and merge changes with confidence.

📝

Documentation

Generate reports for technical documentation and change logs.

Experience All Features

Try CodeDiffTool now and discover how easy code comparison can be.

Start Comparing Code