Question 1

Is Diff Checker free to use?

Accepted Answer

Yes, Diff Checker is completely free. No sign-up, no payment, no hidden fees.

Question 2

Is my text data safe?

Accepted Answer

Absolutely. All text comparison happens in your browser. Your text never leaves your device and is never uploaded to any server.

Question 3

What file formats are supported?

Accepted Answer

Diff Checker supports plain text files including .txt, .md, .html, .css, .js, .json, .xml, .csv, and .log files.

Question 4

How does the text comparison work?

Accepted Answer

Diff Checker uses the Myers diff algorithm to find the minimum edit distance between two texts. Differences are highlighted in green for additions and red for deletions.

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