Structura JSON Diff

See what changed inside JSON.

Developer utility for comparing strict JSON documents, with semantic paths, type changes, exact decimal numbers, filters, and a downloadable report.

What it does

Object order independence and index-based array comparison
Type changes and JSON Pointer paths
Decimal-token comparison preserves large integers
Search, filter, and download a complete JSON report

Try asking

“Compare {"a":1} with {"a":2}”

“Compare [1,2] with [2,1]”

“Compare {"enabled":true} with {"enabled":"true"}”

Limitations

20,000 characters and 4,000 values per document; depth at most 64; at most 500 differences
Strict JSON only; duplicate keys rejected; no YAML, JSON5, patch application, or source-code diff
Arrays compare by position; no inferred identity or move detection
Numeric exponents are limited to -10000 through 10000; number spelling differences alone are ignored

Add it

ChatGPT: once Structura JSON Diff is approved, add it from the ChatGPT plugin directory.

Claude: go to Customize > Connectors > Add custom connector and enter https://json-diff.zovo.one/mcp. No sign-in is needed. Once Structura JSON Diff is listed in the Claude connector directory, you can add it from there too.

Other MCP clients can connect to the same endpoint: https://json-diff.zovo.one/mcp