Text Diff Checker
Free
Compare two texts and highlight differences.
Runs 100% in your browser — data stays private
The quick brown foxcat jumps over the lazy dog.
About Text Diff Checker
Compare two text blocks and instantly see differences highlighted. Additions shown in green, deletions in red — perfect for comparing code, configs, or documents.
Word-level diffing shows exactly what changed without needing to install diff tools or use the command line.
Key Features
- Side-by-side text input
- Word-level diff highlighting
- Green for additions, red for deletions
- Real-time comparison
How to Use
- 1Paste original text on the left.
- 2Paste modified text on the right.
- 3Review highlighted differences.
Common Use Cases
Comparing config file versions
Reviewing document edits
Debugging code changes
Checking API response differences
Frequently Asked Questions
Does it support line-by-line diff?+
Currently word-level diff is used, which works well for most text and code comparisons.
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