How do I compare two text files?

Paste the original text in the left editor and the modified text in the right editor, then click "Find Differences".

Can I compare code with syntax highlighting?

Yes, our diff checker supports syntax highlighting for various programming languages. Select the language from the dropdown menu.

Added content is highlighted in green, removed content in red, and changed content in yellow.

Compare text and visualize differences line-by-line and word-by-word. Merge changes in either direction.

Original Text

Modified Text

Ignore whitespace

Ignore case

Word-level diff

Syntax highlighting:

Enter your original text on the left side
Enter your modified text on the right side
Set your comparison options (ignore whitespace, case sensitivity, etc.)
Click "Compare" to see the differences
Use the merge buttons to transfer changes in either direction:
- Click arrows between line differences to merge individual changes
- Use "Merge All" buttons to apply all changes in one direction
Copy or download the result when you're done

See exactly which lines have been added, removed, or modified.

Transfer changes in either direction with precise control over what gets merged.

Customize your comparison with options like ignore whitespace and case sensitivity.