JSON Diff

Compare two JSON objects and see differences instantly — free, fast, and completely private. Highlights added, removed, and changed values.

Instant & Fast: High-performance utility tools ready for immediate use.

Free Forever • No Watermarks • No Sign-up

How to use JSON Diff

Open JSON Diff — no account or login needed.

Select your file or input your data into the tool panel above.

Adjust the settings, dimensions, or parameters to your preference.

Click process and save your result directly to your device.

What differences are highlighted?

Added keys (green), removed keys (red), and changed values (yellow) are all highlighted with clear visual indicators.

Can I paste or upload JSON?

Is my data private?

Beautify and format JSON with syntax highlighting and collapsible tree view.

Check JSON for syntax errors with clear, actionable error messages.

View JSON with syntax highlighting and collapsible sections.

Explore JSON data as an interactive, expandable tree structure.