Free Code Diff Checker (Diff)

Compare two versions of code side by side and see a clear, color-coded diff with added, removed, and unchanged lines.

JSON Diff Checker

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Text Compare

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Original Code (Left)

Modified Code (Right)

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Lines: - / - — Added: - | Removed: - | Unchanged: -

Paste code on both sides and click “Compare” to generate a visual diff.