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Diff

Text and JSON diff, side by side or unified, with whitespace ignored on request.

Runs in your browser; nothing is uploaded

Each side is limited to 500 lines and 100,000 characters. Pasted text stays in this browser and is never placed in a share link.

Compare text and JSON locally

Text mode compares lines and shows additions and removals with line numbers. JSON mode parses each side first, then compares consistent indentation. It does not reorder object keys. Whitespace mode treats runs of spaces as equal, but the original line text remains visible.

Limits and privacy

The 500-line and 100,000-character caps bound the comparison work. No text, JSON, or diff is uploaded or saved to browser storage. The unified download is a display diff without file names or patch hunk headers.

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