Tools
JSON Diff
Compare two JSON objects side by side. Find added, removed, and changed properties with visual diff highlighting.
1 same4 changed0 added0 removed
Key
Left
Right
name
"Alice"
"Alice"
age
30
31
address.city
"NYC"
"LA"
address.zip
"10001"
"90001"
tags
["admin","user"]
["admin","moderator"]
How to use this tool
Compare two JSON documents while keeping structural changes easy to spot. It is suited to API response checks, configuration reviews, and regression investigation.
Suggested workflow
- Paste the baseline JSON and the changed JSON.
- Format both inputs if their structure is difficult to read.
- Use the highlighted differences to verify additions, removals, and value changes.
Good to know
Remove secrets and personal data before pasting production payloads into any browser tool.
JSON Diff - CodeTools Toolbox - 47 free online developer tools.