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JSON Diff

Try it Free No sign-up Client-side

Compare two JSON objects side by side with visual diff highlighting. See additions, deletions, and changes instantly. Export diff reports in JSON, CSV, or TXT formats.

Features

  • Side-by-side or unified diff view with color highlighting
  • Ignores key order so structural changes stand out
  • Export diff results to JSON, CSV, or plain text
  • History and saved diffs for repeat comparisons
  • Paste or load from file; no data leaves your browser

Why use this tool

Compare API versions, configs, or database dumps without command-line tools. Visual highlighting shows exactly what changed, and export lets you share or document differences.

Try it

Try JSON Diff at Spoold →


More from Spoold

Spoold is a free developer toolbox that detects what you paste and opens the right tool.

  • No sign-up – Use every tool without an account.
  • Runs in your browser – Your data stays on your device; we don’t store or log your input.
  • Paste and go – Paste JSON, HTML, JWT, curl, Base64, or any text on the homepage and Spoold suggests the right tool.
  • One place for many tools – JSON formatter, JWT decoder, Base64, UUID generator, regex tester, curl-to-code, and more.

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