Caido Compare

A professional data comparison plugin for Caido that provides side-by-side comparison with visual difference highlighting

---

Table of Contents

• Overview
• Features
• Installation
• Quick Start
• Documentation
• Feedback & Issues
• License

Overview

Compare is a powerful Caido plugin designed for security professionals who need precise data comparison capabilities. Whether you're analyzing HTTP requests/responses, comparing configuration files, or examining code differences, Compare provides professional-grade comparison tools with visual difference highlighting - similar to industry-standard comparison tools.

Built specifically for penetration testers and security researchers, Compare integrates seamlessly with Caido's workflow to enhance your security testing capabilities.

Features

Professional Comparison Engine

• Word-Level Comparison: Intelligent word-boundary detection for text content analysis
• Byte-Level Comparison: Character-by-character analysis for precise difference detection
• Line-Level Comparison: Line-by-line comparison ideal for structured content
• Visual Highlighting: Color-coded differences with full-width backgrounds (Added, Deleted, Modified, Unchanged)
• Side-by-Side View: Professional layout with synchronized scrolling option
• Comparison Options: Ignore whitespace and ignore case for flexible comparison

Multiple Data Input Methods

• Clipboard Integration: Paste content directly from clipboard
• File Loading: Support for various file formats up to 10MB
• HTTP History Integration: Direct integration with Caido's HTTP history
• Context Menu Support: Right-click to send requests/responses to Original or Modified

Advanced Panel Management

• Dual-Panel Layout: Independent Original and Modified panels for comparison
• Multi-Item Storage: Store multiple items per panel with metadata
• Transfer Between Panels: Right-click any item to transfer between Original and Modified
• Bulk Operations: Select multiple items for removal or management
• Data Persistence: Automatic project-based data storage

HTTP Integration Features

• Request Analysis: Compare different HTTP requests for parameter analysis
• Response Comparison: Analyze server response variations
• Bulk Processing: Process up to 25 requests simultaneously
• Metadata Preservation: Maintains request method, URL, headers information

Professional UI/UX

• Modern Interface: Clean, intuitive design matching Caido's theme
• Type-Specific Badges: Color-coded item types (clipboard, file, request, response)
• Responsive Layout: Optimized for different screen sizes with adaptive modal sizing
• Detailed Statistics: Comprehensive difference counts and analysis
• Professional Modal: Dedicated comparison view with advanced controls and proper minimum dimensions

Installation

Via Caido's Plugin Store (Recommended)

1. Open Caido
2. Navigate to Settings > Plugins
3. Click the Plugin Store tab
4. Search for "Compare"
5. Click Install

Manual Installation

1. Download the latest plugin_package.zip from the Releases page
2. Open Caido
3. Navigate to Settings > Plugins
4. Click Install Package and select the downloaded ZIP file

Quick Start

First Comparison

1. Add Data to Panels:

   • Use "Paste" to add clipboard content
   • Use "Load" to select files from your system
   • Right-click requests in HTTP History → "Compare: Send to Original" or "Send to Modified"

2. Organize Data:

   • Right-click any item to transfer between Original and Modified panels
   • Use "Remove" to delete selected items or "Clear" to empty panels

3. Select Items:

   • Click one item in Original panel
   • Click one item in Modified panel
   • Compare buttons will be enabled

4. Compare:

   • Click "Compare Words" for text analysis
   • Click "Compare Bytes" for precise character analysis

5. Analyze Results:

   • Review color-coded differences in the comparison modal
   • Use "Sync Views" for synchronized scrolling
   • Check statistics for detailed difference counts

Documentation

Complete documentation is available within the plugin:

• Click the "Docs" button in the top-right corner
• Access comprehensive guides and usage examples
• View quick start tutorials and best practices
• Find troubleshooting tips and advanced features

Feedback & Issues

If you encounter any issues or have suggestions for improvements, please:

• Report bugs and feature requests on our GitHub repository
• Share your security testing workflows and use cases
• Contribute to the growing knowledge base

License

This project is licensed under the MIT License - see the LICENSE file for details.

---

Made with ❤️ by Amr Elsagaei for the Caido and security community