JSON
JSON Diff
Compare two JSON documents and see exactly what changed.
What is JSON Diff?
Compare JSON documents side by side to identify added, removed, and changed values. Object paths and array indexes make it easy to locate each difference, and both inputs stay entirely in your browser.
How to use JSON Diff
- Paste or type your input into the editor.
- Use the tool action to process your data in the browser.
- Review the output, then copy or download it if needed.
Key features
- Private browser-based processing.
- No account or login required.
- Works without uploading your data.
- Fast results for common developer tasks.
Frequently asked questions
How are arrays compared?
Arrays are compared by index. A change at an index is shown at a path such as root.items[0].
Are the JSON documents uploaded?
No. Both documents are parsed and compared entirely in your browser.