Text Diff Checker
Compare two texts and see the differences highlighted. Find additions, deletions, and unchanged content.
Enter text above to see the differences
What is a Diff?
A diff (short for "difference") shows the changes between two pieces of text. It's commonly used in programming to track code changes, but it's useful for comparing any text documents, contracts, articles, or data files.
How to Read the Diff
- +Added lines (green): Content in modified but not original
- −Removed lines (red): Content in original but not modified
- =Unchanged: Identical in both texts
Common Use Cases
- •Code Review: Compare code before and after changes
- •Document Editing: Track changes in contracts or reports
- •Data Comparison: Find differences in CSV, JSON, or configs
- •Version Control: Understand what changed between versions
- •Proofreading: Compare drafts to see edits
Comparison Options
- •Ignore Whitespace: Treat multiple spaces as one
- •Ignore Case: Treat uppercase and lowercase as same
- •Trim Lines: Ignore leading and trailing whitespace
100% Private
All comparison happens locally in your browser. Your texts are never uploaded to any server. Perfect for comparing sensitive documents, code, or personal information.