Question 1

What is the difference between line, word, and character modes?

Accepted Answer

Line mode compares whole lines. Word mode shows which words changed within a line. Character mode highlights individual character changes for the finest level of detail.

Question 2

What does ignore whitespace do?

Accepted Answer

It strips leading and trailing spaces and tabs before comparing. Useful when only indentation differs and you want those lines treated as equal.

Question 3

Can it handle large files?

Accepted Answer

Yes, within the limits of what the browser can handle. Very large texts may take longer to compute.

Question 4

Is my text sent to a server?

Accepted Answer

No. All processing happens entirely in your browser. Nothing you enter is transmitted externally.

Question 5

Can I use it to compare code?

Accepted Answer

Yes. The language selector supports JavaScript, TypeScript, JSON, HTML, CSS, and more, with syntax highlighting.

Question 6

Where can I see the diff count?

Accepted Answer

The footer of the right pane shows removal and addition counts as diff statistics.

Text Diff Checker