Code Diff Viewer
Compare two pieces of code or text. See additions, deletions, and changes highlighted with side-by-side or unified view.
Original
Modified
Diff Output
+0 additions -0 deletions
Enter text in both panels and click "Compare" to see the diff
Try with sample data
JavaScript Function
Compare two versions of a function
HTML Markup
Compare HTML structure changes
JSON Config
Compare configuration files
Plain Text
Compare paragraphs of text
Privacy First
All comparisons happen locally in your browser. Your code and text never leave your device.
Code Diff Viewer
Our code diff viewer helps you compare two pieces of code or text side-by-side, highlighting additions, deletions, and changes. Perfect for reviewing code changes, comparing file versions, or understanding what changed between two texts.
View Modes
- Split View - Shows original and modified text side by side for easy comparison
- Unified View - Shows all changes in a single column, similar to git diff output
Features
- Line-by-line comparison - See exactly which lines changed
- Inline highlighting - Character-level changes highlighted within lines
- Ignore whitespace - Focus on meaningful changes, not formatting
- Ignore case - Compare text without case sensitivity
- Statistics - See total additions and deletions at a glance
Common Use Cases
- Reviewing code changes before committing
- Comparing configuration file versions
- Finding differences between similar documents
- Debugging by comparing expected vs actual output