Diff Checker

What is a Diff Checker?

A diff checker (difference checker) is a tool that compares two pieces of text or code and highlights the differences between them. It's essential for developers, writers, and anyone who needs to track changes between versions of documents or code files.

How to Use the Diff Checker

1. Paste Original: Paste your original text or code in the left panel.
2. Paste Modified: Paste the modified version in the right panel.
3. Compare: Click "Compare" to see the differences highlighted side-by-side.
4. Review Changes: Green highlights show additions, red shows deletions, and yellow shows modifications.
5. Swap or Clear: Use "Swap" to exchange the texts or "Clear" to start over.

Common Use Cases

• 💻 Code Review: Compare different versions of source code to track changes.
• 📝 Document Editing: Track changes in text documents and articles.
• 🔄 Version Control: Review differences between file versions before committing.
• 🐛 Debugging: Identify what changed between working and broken code.
• 📋 Content Migration: Verify data transformations and migrations.

Features

• ✅ Side-by-Side Comparison: View both versions simultaneously for easy comparison.
• 🎨 Color-Coded Differences: Additions, deletions, and modifications are clearly highlighted.
• 📊 Statistics: See the count of additions, deletions, and modifications at a glance.
• 🔢 Line Numbers: Track changes with line-by-line numbering.
• 📋 Copy Function: Easily copy either version to your clipboard.
• 🔒 Privacy First: All comparisons happen in your browser - no data is sent to servers.

Tips

• 💡 Use the "Swap" button to quickly reverse the comparison direction.
• 💡 The tool works with any text format - code, JSON, XML, plain text, etc.
• 💡 Line numbers help you quickly locate changes in your original files.
• 💡 This tool works completely offline for maximum privacy and security.