Text Diff Checker Online
The best online diff tool. Compare two text files, code snippets, or configurations and highlight differences instantly with word-level precision.
Original Text (Version A)
Modified Text (Version B)
How to Use Text Diff Checker
- 1Input your original text (Version A) into the left editor panel.
- 2Paste the modified version (Version B) into the right editor panel.
- 3Click 'Compare Now' to run the algorithmic analysis.
- 4Review the high-contrast highlights: Green for new text, Red for deletions.
- 5Use the 'Start New' button to clear both inputs and begin a fresh comparison.
Key Features
- Word-Level Granularity: Detects changes even within single lines for high-precision diffing.
- Smart Highlighting: Uses distinct semantic coloring to make differences leap off the page.
- Code-Friendly: Perfect for comparing Git patches, configuration files, and code snippets.
- No Data Transfer: Performs all comparisons locally in your browser to ensure 100% privacy.
- Responsive Layout: Side-by-side mode on desktop switches to a unified view for simple review.