Text Diff Checker
Compare two pieces of text and instantly see the differences. Added, removed, and unchanged lines are highlighted with colors — perfect for code review, document comparison, and content editing.
Paste two texts above to compare their differences
About This Tool
- Line-by-line comparison with smart matching
- Color-coded highlighting: green for added, red for removed
- Statistics showing number of added, removed, and unchanged lines
- Completely free with no registration required
Frequently Asked Questions
A diff checker compares two pieces of text and highlights the differences between them. It shows added, removed, and unchanged lines with color coding — green for additions and red for removals.
The tool splits both texts into lines and compares them using a longest common subsequence algorithm. It then highlights which lines were added, removed, or stayed the same.
You can compare any text: code files, configuration files, documents, essays, or any plain text content. It's particularly useful for code review and tracking document changes.
Yes, completely free with no registration required. Compare as many texts as you need with no limits.