Text Diff Checker
Compare two text blocks line by line.
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Frequently Asked Questions
How does the text diff work?
It compares two text blocks line by line and marks changed lines with - and + prefixes.
What can I use a text diff for?
Comparing document drafts, code snippets, configuration files, or any two versions of text to spot added, removed, and changed lines.
Is it private?
Yes. The comparison runs locally in your browser and neither text block is uploaded.
Is the text diff checker free?
Yes. It is completely free with no sign-up and compares text instantly in your browser.