Text Diff Checker
Compare two texts and see the differences highlighted.
📘 How It Works
Line-by-Line Comparison
Both texts are split into arrays of lines. Each line is compared at the same position. Lines are marked as added, removed, or unchanged based on exact matches.
Case Normalization
When 'Ignore case' is enabled, both texts are converted to lowercase before comparison. This catches semantic matches that differ only in capitalization.
Whitespace Handling
When 'Ignore whitespace' is enabled, multiple spaces are collapsed and text is trimmed. This focuses comparison on actual content, not formatting.
Visual Diff Display
Deletions (lines in original but not modified) are shown in red with minus signs. Additions (lines in modified but not original) appear in green with plus signs.
Statistics Generation
The tool counts additions, deletions, and unchanged lines, providing a summary of differences between the two versions.
💡 Common Use Cases
Code Review
Compare before and after versions of code to see what changed. Identify insertions, deletions, and modifications quickly.
Document Revision Tracking
Track changes between document versions. See what was added or removed between drafts of contracts, articles, or reports.
Configuration Comparison
Compare configuration files between environments (dev, staging, prod) to identify discrepancies that might cause issues.
Content Plagiarism Check
Compare submitted content against original sources to identify copied or modified text passages.
API Response Debugging
Compare expected vs. actual API responses to identify why tests are failing or behavior has changed.
Translation Verification
Compare translations with originals to ensure all content is accounted for and nothing was accidentally omitted.