Question 1

Is the Text Diff tool free?

Accepted Answer

Yes, completely free with no account required.

Question 2

What is a text diff tool?

Accepted Answer

A text diff tool compares two pieces of text and highlights the differences between them — showing what was added, removed, or changed.

Question 3

How do I use the text compare tool?

Accepted Answer

Paste your original text in the left box and the modified text in the right box, then click Compare. Differences will be highlighted instantly.

Question 4

What diff modes are available?

Accepted Answer

You can compare by Line (highlights entire changed lines), Word (highlights individual changed words), or Character (highlights exact character differences).

Question 5

Is my text saved or sent to a server?

Accepted Answer

No. All comparison is done locally in your browser using JavaScript. Your text never leaves your device.

Question 6

Can I ignore whitespace or case differences?

Accepted Answer

Yes. Use the 'Ignore whitespace' option to skip space/tab differences, and 'Ignore case' to treat uppercase and lowercase as equal.

Text Diff / Compare

Free Online Text Diff Checker

How to Use This Tool

Diff Modes Explained

Common Use Cases

Frequently Asked Questions