Text Diff Checker
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The quick brown fox jumpsleaps over the lazy dog. It was a brightcold, sunnyrainy morning.
Paste two versions of a text to see exactly what changed. Compare at the word or line level, view the result inline or side by side, and optionally ignore whitespace or case differences to focus only on meaningful changes. Additions are highlighted in green, deletions in red with a strikethrough.
Frequently asked questions
What's the difference between word-level and line-level diffing?
Word-level diffing highlights individual changed words within a line, which is useful for prose or short snippets. Line-level diffing treats each full line as a unit, which is more useful for comparing code or structured, line-oriented data.
What does 'Ignore whitespace' do?
It treats runs of whitespace (spaces, tabs, indentation changes) as equivalent, so the diff only flags changes to the actual words or lines — handy when comparing reformatted code or re-wrapped text.