Code Diff
Compare two texts and highlight differences. Free online diff tool.
All processing happens in your browser. Your data never leaves your device.
How to Use
- 1Paste the original text in the left field.
- 2Paste the modified text in the right field.
- 3Click "Compare" to see the differences.
What is Code Diff?
Code Diff compares two texts line by line and highlights additions, removals, and unchanged lines. It uses a longest-common-subsequence algorithm for accurate diff results.
Key Features
- Line-by-line diff comparison
- Color-coded additions and removals
- Line numbers in output
- Swap texts to reverse diff
- Add/remove/unchanged counts
- 100% client-side
Code Diff vs Other Tools
| Feature | Code Diff | Other Tools |
|---|---|---|
| Client-side processing | Yes | Varies |
| No signup required | Yes | Often required |
| Privacy-first (no data sent) | Yes | Rarely |
| Free & unlimited | Yes | Often limited |
| No ads interruption | Yes | Often no |
FAQ
What code tools are available?
Available code tools include diff comparison, regex testing, JSONPath expression testing, SQL-to-TypeScript conversion, and Markdown table generation.
Are code tools free?
Yes, all code tools are completely free with no registration required.