Text Diff Checker

Compare texts to find differences instantly.

100% Private: Your data never leaves your device. Processed locally in your browser.
Case sensitive
Compare by

How to Use

  1. Paste your original text into the 'Original Text' box on the left.
  2. Paste your modified text into the 'Changed Text' box on the right.
  3. Click the 'Compare Texts' button.
  4. The differences will be highlighted below: additions in green, deletions in red.

Frequently Asked Questions

Is the Text Diff Checker free?

Yes, our text comparison tool is completely free with no limits.

Is my text data safe?

Absolutely. All text comparison happens directly in your browser using JavaScript. Your data is never uploaded to any server.

Can I compare large files?

Yes, since the processing runs in your browser, it can handle very large text files instantly without waiting for uploads.

Related Tools

Word & Character Counter

Count words, characters, sentences, and paragraphs in real-time.

Text Case Converter

Convert text to UPPERCASE, lowercase, Title Case, and more.

JSON Formatter & Beautifier

Format, validate, and beautify your JSON data instantly.