Diff Checker
Paste two versions, see the line-by-line difference. Nothing leaves your browser.
Paste two versions, see the line-by-line difference. Nothing leaves your browser.
Paste the original text on the left and the changed version on the right, then click Compare. Added and removed lines are highlighted; check "Ignore leading/trailing whitespace" if only indentation differs.
Line-level - each line is compared as a whole, which is the most useful granularity for config files, code, and most prose.
Very large pastes (beyond about 4 million line-pair comparisons) are refused rather than freezing the tab - fine for anything up to a large file, not built for comparing entire codebases.
No - the comparison runs entirely in your browser, which is deliberate since diffed text is often code or config that shouldn't leave it.
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