Code Diff v1.0
Compare code files side-by-side with syntax highlighting. Perfect for code reviews and debugging.
No data uploaded – runs 100% in your browser
Used by developers in 120+ countries
v1.0 • Updated Nov 2025
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How to Use the Code Diff
- Paste your first code block
- Paste your second code block
- Select the language for syntax highlighting
- View highlighted differences
What is Code Diff?
A code diff tool compares two code files and highlights differences with syntax awareness. It shows additions, deletions, and modifications in context.
Why Use a Code Diff?
- Syntax-aware comparison
- Code review assistance
- Track code changes
- Debug modifications
- Multiple language support
Frequently Asked Questions
What is a Code Diff tool?
A Code Diff tool compares two code blocks and highlights differences with syntax awareness.
Is this Code Diff free?
Yes, this Code Diff tool is completely free and runs entirely in your browser.
Is my data secure?
All processing is done locally in your browser. No data is uploaded or stored.