Text Diff Checker

Paste the original and modified texts below to see the differences. Your data is not sent to any server.

Added Removed Unchanged

Original Text

Modified Text

Comparison Result

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Frequently Asked Questions about Text Diff

How does this tool work?

It compares two blocks of text and highlights the differences: green indicates new (added) text, and red (strikethrough) indicates removed text.

Can I compare programming code?

Yes, you can paste any HTML, CSS, JavaScript, or PHP code. For best results with code, we recommend using the "By Lines" or "By Words" comparison mode.

Do you save my texts?

No, the tool runs entirely in your browser using JavaScript (Client-side). The texts you paste are never sent anywhere.