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Diff Checker Online | Text Comparison Tool
Compare two texts and find differences with side-by-side and unified views. Highlight changes at word or character level with clean, intuitive interface.
diff
compare
text comparison
difference
merge
side by side
About Diff Checker Tool
This powerful online diff checker compares two texts and highlights differences with precision. Perfect for developers, writers, and anyone who needs to identify changes between text versions with side-by-side and unified view modes.
Key Features
- Side-by-side and unified diff view modes for flexible comparison
- Word-level, character-level, and line-level comparison granularity
- Smart highlighting with color-coded additions, deletions, and modifications
- Ignore whitespace and case options for flexible comparison
- Real-time auto-comparison as you type for instant feedback
- File upload support for multiple text formats
- Copy individual sections or complete diff results
- Detailed statistics showing additions, deletions, and modifications
- Text swapping functionality for easy comparison reversal
- Example templates for quick testing and demonstration
Use Cases
- Code review and version comparison for software development
- Document revision tracking and change identification
- Content editing and proofreading workflows
- Configuration file comparison and validation
- Legal document comparison and contract analysis
- Academic paper revision and collaborative editing
- Translation comparison and quality assurance
- Data migration validation and integrity checking
Supported Formats
Plain text files (.txt)
Markdown documents (.md)
Source code files (.js, .ts, .py, .java, .cpp, .c, .h)
Web files (.html, .css, .php, .rb)
Configuration files (.json, .xml, .yml, .yaml)
Data files (.csv, .tsv)
Script files (.sh, .go, .rs, .swift, .kt, .scala)
Related Keywords
diff checker
text comparison
compare text
difference finder
text diff
side by side comparison
unified diff
file comparison
text merge
change detection
document comparison
code diff
Comparison Modes
Choose between side-by-side view for visual comparison or unified view for traditional diff format. Adjust comparison granularity from line-level for broad changes to character-level for precise differences.
Privacy & Security
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
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