Original (A)
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{ "id": 1, "name": "Original" }
Modified (B)
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{ "id": 1, "name": "Modified" }
settings
Compare two or three JSON documents side-by-side and see exactly what changed. Color-coded output highlights additions, deletions, and modifications.
Features
- Side-by-side JSON comparison
- Color-coded additions, deletions, and modifications
- 3-way merge for conflict resolution
- RFC 6902 JSON Patch generation
- JSON5 support
- Copy diff results or export as patch file
How to Use
- Paste two JSON documents — Enter the original JSON in the left panel and the modified JSON in the right panel.
- View differences — See highlighted changes showing additions, deletions, and modifications.
- Export or merge — Copy the diff results or generate a JSON Patch file.
FAQ
What is JSON diff?
It compares two JSON documents and identifies differences — what was added, removed, or changed.
What is RFC 6902?
A standard format for describing changes between JSON documents as a series of operations (add, remove, replace, move, copy, test).