Compare two JSON objects and highlight added, removed, changed keys
Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
JSON Diff Viewer: Compare two JSON objects and highlight added, removed, changed keys. Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open JSON Diff Viewer and paste or type your input.
Choose any options that affect the output.
Run the tool or watch the live result update.
Copy or download the output.
FAQ
What does JSON Diff Viewer do?
Compare two JSON objects and highlight added, removed, changed keys.
Is JSON Diff Viewer private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is JSON Diff Viewer free?
Yes. It is free to use with no signup required.
How do I use JSON Diff Viewer?
Open the JSON Diff Viewer tool, then open JSON Diff Viewer and paste or type your input.