Free Text Diff Checker
Compare two texts side-by-side and highlight added, removed, and matching lines.
Frequently asked questions
How do I compare two texts online?
Paste your original text into the left field and the modified version into the right field. Click "Compare" to see a line-by-line diff with added (green) and removed (red) lines highlighted.
What is a diff checker?
A diff checker compares two text documents line-by-line and shows which lines were added, removed, or changed. Commonly used in version control, document review, and content comparison.
How to find differences between two files?
Open both files in a text editor, copy the content, paste into our diff checker, and click "Compare". Results show removed lines in red, added lines in green, and a summary of changes.