Text compare
Compare two texts and see every difference highlighted, line by line or word by word. Nothing is uploaded; the comparison runs in your browser.
+2 −1
The quick brown fox
-jumps over the lazy dog
+leaps over the lazy dog
and runs away
+to the forest
Runs on your device. Nothing is sent to a server.
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How it works
Paste the original on the left and the changed version on the right. Removed parts show in red with a strike, added parts in green. Switch to “By word” for prose and contracts, “By line” for code and lists.
Ignore case treats “Hello” and “hello” as the same.
Questions
Is my text sent anywhere?
No. The comparison is computed on your device. You can disconnect from the internet and it still works.
Is there a size limit?
Texts of a few thousand lines compare instantly. Very large files may take a few seconds.