Diff Checker
Compare two texts side by side — plain text, JSON, or XML with line-by-line diff.
+2 added · −1 removed
1Line one
−2Line two
+Line two changed
3Line three
+Line four
FAQ
Does it work offline?
Yes. Diff runs entirely in your browser — no upload to any server.
About Diff Checker
Free online diff checker. Compare text, JSON, or XML files side by side with highlighted additions and removals.