JSON Diff
What this tool does
Compares two JSON objects and shows exactly what changed — added fields, removed fields, and modified values. Runs entirely in your browser.
How to use it
- Paste original JSON in the left pane
- Paste modified JSON in the right pane
- Click Compare or press ⌘ + Enter
- Toggle between Split and Unified view
Features
- Split view — side-by-side like GitHub
- Unified view — linear diff with +/−/~ markers
- Nested diffs — detects changes at any depth
- Stats summary — added / removed / changed counts
- Copy diff — export as plain text