Compare two texts and highlight differences with precision. Choose between line, word, or character comparison with side-by-side or unified views.
A text diff checker compares two pieces of text and highlights what changed—additions, removals, and edits. It's useful for proofreading, code reviews, content updates, and contract redlines.
Identify precise differences between document versions with clear visual highlighting
Compare at line, word, or character level depending on your needs
Switch between side-by-side and unified views for the best comparison experience
Ignore case or whitespace changes to focus on meaningful content differences
Paste your original text on the left and the modified text on the right, pick your view and options, then hit Compare. The results highlight differences and summarize added/removed/changed content along with an overall similarity score.
All text comparison happens entirely in your browser for complete privacy. No data is sent to any server, and your documents never leave your device. Perfect for sensitive content like contracts, confidential documents, or proprietary code.