Text Difference Checker

Compare two texts and highlight added and removed lines.

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About the Text Difference Checker

Text Difference Checker compares an original and a changed version of a text line by line and highlights additions and deletions. Use it to review document edits, configuration changes or code snippets.

How to use the Text Difference Checker

  1. Paste the original text on one side and the changed text on the other.
  2. Choose whether to ignore case or whitespace.
  3. Click "Compare" to see the differences.

Frequently asked questions

How are differences shown?

Added lines are marked with + and highlighted in green; removed lines are marked with − and highlighted in red.

Is the comparison private?

Yes. Both texts are compared in your browser.