Free Text Diff Checker Online - Compare Text & Code Differences
Compare two blocks of text or code to find differences instantly. Highlights added, removed, and modified lines with color coding. Switch between side-by-side (split) and unified views. Supports line-by-line, word-by-word, and character-by-character diff modes. Perfect for code reviews, document comparison, and tracking changes. All processing happens locally—your data stays private.
1When to use this tool?
💡Comparing code before and after changes to find bugs
💡Quickly identifying changes in documents
💡Analyzing differences in configuration files
2Features
- Side-by-side (Split) and Unified views
- Color-coded highlights (Green for added, Red for removed)
- Real-time comparison
- Supports code and plain text
3How to Use
- Paste the original text on the left.
- Paste the modified text on the right.
- The differences will be highlighted automatically.
- Switch between Split and Unified views.
FAQ
Q. What is a diff?
A. A diff is a file comparison utility that outputs the differences between two files.