UtilFoundryDEV TOOLS

JSON Schema Validator

Validate a JSON document against a JSON Schema, with each failure reported by the path that broke it.

  • 100% Free
  • No account required
  • Runs in your browser
  • No data is uploaded
Not saved automatically

Private to this browser, not a cloud backup. Saves expire 7 days after the last save. Avoid saving sensitive data on shared devices.

Saved JSON Schema Validator workspaces

Saved only on this device. Clearing browser data removes your workspaces. Expired saves are removed when this app next checks storage.

No saved workspaces for this tool yet.

No settings needed
2 documents to Validation result

Input

Paste the json data and the json schema, then click “Run tool”.

JSON data
Ln 1, Col 1Spaces: 2UTF-8JSON26 bytes
JSON Schema
Ln 1, Col 1Spaces: 2UTF-8JSON108 bytes

Output

Validation result (read-only).

Read-only
JSON
Ln 1, Col 1Spaces: 2UTF-80 bytes
Ready when you arePaste your input, then press Run tool or ⌘ ↵