text diff checker
paste two versions of a text and see exactly which lines or words were added or removed.
runs on your device · free · no sign-up
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frequently asked questions
how does the comparison work?
it uses a longest common subsequence algorithm to find the smallest set of additions and removals, by line or by word.
what is the difference between line and word mode?
line mode compares whole lines, word mode highlights individual changed words inside the text.
is my text private?
yes. the comparison happens in your browser and nothing is uploaded.