Compare two blocks of text side-by-side and see exactly what changed. Added, removed, and modified lines are highlighted in color. Useful for comparing code, documents, or any text.
The tool compares texts line by line, identifying lines that were added, removed, or unchanged. It uses a longest common subsequence algorithm to produce minimal, readable diffs.
Yes! The diff checker works great for comparing code. Use the monospace font output to maintain code formatting. Enable 'Ignore Whitespace' to focus on meaningful changes.
Green highlights indicate added lines (present in modified but not original). Red highlights indicate removed lines (present in original but not modified). Unchanged lines have no highlighting.
Since processing happens in your browser, the limit depends on your device's memory. Most devices handle texts with tens of thousands of lines without issues.