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Diff Checker

Compare two blocks of text and highlight every addition, deletion, and change — line by line or word by word.

How to use Diff Checker

  1. Paste the original text on the left and the new version on the right.
  2. Choose Line or Word mode.
  3. Review the highlighted differences.

Frequently asked questions

What is the difference between line and word mode?
Line mode compares whole lines; word mode highlights the exact words that changed within a line.
Can I ignore case or whitespace?
Yes — toggle the "ignore case" and "ignore whitespace" options.

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