Text Diff & Compare Tool Online
Free online text diff tool. Compare two texts side by side and highlight the differences line by line.
Text A (Original)
Text B (Modified)
Diff Result
💡 What is this
Text Diff
- Compares two blocks of text line by line, highlighting added, removed, and unchanged lines with color coding — green for additions, red for removals.
📖 How to use
Step by Step
- Paste original text in the left panel
- Paste modified text in the right panel
- Click Compare to see the differences
- Green = added, Red = removed, Grey = same
🎯 Use cases
When to use
- Comparing config file versions
- Reviewing text changes before publishing
- Spotting differences in code snippets
- Checking translation changes
Frequently Asked Questions
Is this a character-level or line-level diff?▾
This tool performs a line-level diff. Each line is compared as a whole unit. For character-level diffs, consider a dedicated code diff tool.