JSON Diff

Structural diff for JSON objects and arrays

Compare two JSON documents with a semantic path-level diff and unified patch view — 100% in your browser.

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How to use JSON Diff

  1. Paste the original JSON on the left and the modified JSON on the right.
  2. Review path-level adds, removes, and updates.
  3. Copy the report or download a unified patch for sharing.

FAQ

Is this a text diff or semantic diff?
Semantic — we compare parsed JSON structures by path, not just lines of text.
Is my JSON uploaded?
No. Parsing and diffing run entirely in your browser.

Continue your workflow

Common next steps — stay on PeachTools without opening another site.

Format JSONClean up inputs before diffing.Text diffLine-based diff for non-JSON payloads.

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