Developer Tools
Diff Viewer
Compare code and view differences
Original
1 linesModified
1 linesHow to Use
1. Paste your original text in the left panel
2. Paste your modified text in the right panel
3. View the differences highlighted below
Green (+) = Added lines, Red (-) = Removed lines
What is Diff Viewer?
Compare code and view differences
Diff Viewer is a free online tool that works directly in your browser. No installation or signup required. All processing happens locally on your device, ensuring your data stays private and secure.
Why Use Diff Viewer?
- ✓100% Free - No hidden costs or premium features
- ✓No Signup Required - Start using instantly without creating an account
- ✓Privacy First - All processing happens in your browser. Your data never leaves your device
- ✓Lightning Fast - Instant results with no server delays
How to Use
- Enter or paste your text in the input area above
- The tool will automatically process your input
- Copy the result or download it as a file
Features
- ✓Line-by-line comparison
- ✓Unified and split view
- ✓Added/removed highlighting
- ✓Copy as patch