How to Use the Text Diff Checker
Compare two texts and see their differences highlighted with colors
Key Features
- Side-by-side and unified comparison views
- Line, word, and character-level diff modes
- Color-coded highlighting for added, deleted, and unchanged content
- Export to patch file or HTML format
- Ignore whitespace and case options
- File upload support for easy comparison
Why Use This Tool?
Perfect for developers, writers, and anyone who needs to compare texts. Whether you're reviewing code changes, comparing document versions, or checking modifications, our diff checker provides clear visual representation of all differences with professional-grade accuracy.
Frequently Asked Questions
Is this tool free to use?
Yes, completely free with no limitations or signup requirements.
Is my data secure?
Absolutely. All text comparison happens locally in your browser. No data is sent to any servers.
What file formats are supported?
Supports all text-based files including TXT, JS, TS, JSON, XML, CSV, MD, HTML, CSS, Python, Java, C++, and more.
What's the difference between line, word, and character modes?
Line mode compares entire lines (best for code), word mode compares individual words (best for documents), and character mode shows every single character difference (most detailed).
Can I export the comparison results?
Yes, you can export as patch file (for version control) or HTML (for documentation).
What is the maximum file size?
Files up to 1MB are supported for optimal performance.
💡 Add Your Texts: Try changing the Diff Mode to see different levels of detail. Line mode is best for code, word mode for documents, and character mode for precise changes.
Understand the Colors: All text comparison happens entirely in your browser. No data is sent to any servers.