UZ
MinuteJSON
by Umentoz
100% Client-Side / Zero Server Logging
Offline-capable browser workspace
Compare API payloads before they break production.
Original Payload
Ready for JSON
Updated Payload
Ready for JSON
Paste two payloads to compare.
Or load the sample to preview structural diffs.
Paste two payloads to compare.
Or load the sample to preview structural diffs.
Free private JSON diff and schema comparison
MinuteJSON helps developers compare JSON payloads, validate syntax, detect removed fields and type changes, inspect value differences, prettify or minify JSON, and export JSON Patch from a browser-only workspace. Payloads stay local to the device for privacy-sensitive API, webhook, integration, QA, and release-review workflows.