Text Diff Checker

Compare two texts side-by-side and see exactly what changed.

Text Diff Checker

Paste your original and modified text to find differences.

What is a Text Diff Checker?

A text diff checker compares two blocks of text and highlights the differences. It shows added text in green and removed text in red, making it easy to spot exactly what changed between versions.

Why Use This Tool?

See added and removed text highlighted in color
Line-by-line comparison for detailed editing
Swap texts instantly for reverse comparison
Track changes in documents and code

How to Use

1. Paste original text in the left box
2. Paste modified text in the right box
3. Differences are highlighted instantly
4. Use Swap to reverse the comparison direction

Common Use Cases

Track edits in articles and blog posts
Compare code changes before merging
Verify copy changes in website content
Review student essay revisions

FAQs

Q: How does the diff algorithm work?

A: It compares line by line. Lines present in both are unchanged, lines only in text A are removed, and lines only in text B are added.

Q: Is there a text limit?

A: No, the tool works with any amount of text.

Q: Is my data private?

A: Yes, all comparison happens in your browser. Nothing is sent to any server.