Text Diff Checker

Instantly compare two blocks of text and highlight the differences. Perfect for checking code changes, document revisions, and more.

Original Text

Changed Text

Enter text and click compare to see results.

How to Use the Text Diff Checker

Our tool makes it easy to spot changes between two versions of text. The process is simple and all processing happens securely in your browser.

✔️ Paste your original content into the "Original Text" box on the left.
✔️ Paste the revised or updated content into the "Changed Text" box on the right.
✔️ Click the "Compare Text" button.
✔️ The results below will show the differences, with deletions highlighted in red and additions highlighted in green.
✔️ A summary of the number of changes found is displayed above the result.

Remove extra spaces, fix capitalization, and format text instantly.

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Yes, the Text Diff Checker is 100% free to use with no limitations.

Absolutely. The comparison is performed entirely within your browser. Your text is never uploaded to any server, ensuring complete privacy.

You can compare any kind of plain text, including paragraphs, essays, source code (like HTML, CSS, JS), configuration files, and more.