Syntax Diff
Paste two versions of your code and differences are highlighted instantly — line by line, word by word.
Left
Right
💡 What
Syntax Diff
- Paste code in both panels — differences highlight automatically
- Changed lines show red on both sides, with the exact changed words highlighted
📖 How
Steps
- Paste original code on the left
- Paste modified code on the right
- Diff appears instantly on paste
- Click Edit to go back and modify
🎯 When
Use cases
- Reviewing code changes before commits
- Comparing SQL / config file versions
- Debugging — spot what changed
- Code review without Git
FAQ
What kind of files can I compare?▾
Any text — code in any language, SQL, config files, JSON, YAML, CSV, plain text, logs, etc.
Does this detect word-level changes within a line?▾
Yes! Changed lines show the exact words that differ highlighted in darker red/green within the line.
Does this send my code anywhere?▾
No. Everything runs in your browser. Your code never leaves your machine.