JSON Validator

Check whether a document is valid JSON and report its top-level type, key count and depth.

Remember work on this deviceNot 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.

Input

Paste or edit your JSON, then click “Run tool”.

Type, paste or drop a file

JSON

{"ok":true}

Ln 1, Col 1Spaces: 2UTF-811 bytes

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 ⌘ ↵

Get a quick yes or no on whether a payload or config file will parse, and what kind of value it holds.

{
  "ok": true
}