TEXT DIFF CHECKER

Text Diff Checker

Compare two text blocks side-by-side and highlight additions, deletions, and unchanged lines.

Tip

Text analysis and formatting occur offline with maximum data security.

How It Works

3 simple steps

Enter the first version of your content.

Enter the updated version on the right.

See highlighted changes instantly.

Yes! It works for any plaintext including code, articles, contracts, and configurations.

Count words, characters, sentences, paragraphs, and estimate reading time instantly.

Pretty-print, minify, and validate JSON with syntax highlighting and error detection.

Your files are processed locally in your browser. No data is uploaded to any server.