JSON Diff Tool

Compare two JSON documents and highlight the differences between them.

Side-by-Side Comparison
Original (left) vs New (right) with difference highlighting
Loading diff editor...
JSON Diff Tool Features
Compare JSON documents with precision and clarity.

Why Use Our JSON Diff Tool?

  • Deep & Shallow Comparison: Toggle between recursive deep-dive and top-level shallow analysis to match your debugging depth.
  • Ignore Key Order: Enable this option to treat JSON objects with the same keys and values but in different order as equal—perfect for comparing API responses where key order doesn't matter.
  • File Upload & Drag-Drop: Easily load JSON files by clicking the upload button or dragging and dropping files directly onto the editor—no copy-paste needed.
  • Real-Time Visual Feedback: Syntax-highlighted side-by-side editors with instant color-coded diff stripes—green for additions, red for deletions, blue for edits.
  • One-Click Productivity: Swap documents, copy results, or download a unified diff report in a single click.
  • Fullscreen Focus Mode: Maximize workspace with F11 or Ctrl-Shift-F to eliminate distractions while inspecting large payloads.
  • Favorites & History: Save frequent comparisons to your personal dashboard for instant reloads across sessions.

Common Use-Cases

API Regression Testing

Spot unexpected field changes between staging and production responses.

Config Migration Validation

Ensure environment-specific JSON configs remain in sync during deployments.

Documenting Schema Evolution

Generate human-readable changelogs for version bumps or breaking changes.

Frontend State Debugging

Compare Redux/Vuex snapshots to isolate state mutations quickly.

Tip: Paste minified JSON—our editor auto-formats and validates for you. Need privacy? Everything runs client-side; no data leaves your browser.