Free · Turn a data rule into yes or no

JSON Boolean Rule Checker

Evaluate a JSONata condition and return one clear true or false result.

Real JSONata 2.2 query
Private in your browser
Time and result safety caps

Check JSON rule

Paste JSON, edit the JSONata expression, and run it locally with time, depth, and result limits.

Add JSON and a queryBoth stay in this browser tab

JSON data 1,255 / 120,000 characters

{
  "store": {
    "name": "Little Leaf Market",
    "currency": "CAD"
  },
  "orders": [
    {
      "id": "A-100",
      "customer": "Mia",
      "city": "Toronto",
      "status": "paid",
      "total": 84.5,
      "items": 3,
      "tags": [
        "gift",
        "new"
      ]
    },
    {
      "id": "A-101",
      "customer": "Noah",
      "city": "Ottawa",
      "status": "pending",
      "total": 42,
      "items": 1,
      "tags": [
        "new"
      ]
    },
    {
      "id": "A-102",
      "customer": "Ava",
      "city": "Toronto",
      "status": "paid",
      "total": 126.25,
      "items": 4,
      "tags": [
        "vip",
        "gift"
      ]
    },
    {
      "id": "A-103",
      "customer": "Liam",
      "city": "Montreal",
      "status": "refunded",
      "total": 58.75,
      "items": 2,
      "tags": [
        "return"
      ]
    },
    {
      "id": "A-104",
      "customer": "Emma",
      "city": "Ottawa",
      "status": "paid",
      "total": 199,
      "items": 5,
      "tags": [
        "vip"
      ]
    },
    {
      "id": "A-105",
      "customer": "Mateo",
      "city": "Toronto",
      "status": "pending",
      "total": 72.25,
      "items": 2,
      "tags": [
        "gift"
      ]
    }
  ]
}

JSONata expression 31 / 1,000 characters

Bounded local queryJSONata 2.2.2 · 800 ms timeout · $eval off

See the resultReady when you are

Your query result will appear here

JSONata can filter, sort, group, calculate, and reshape the sample without an upload.

Three simple steps

How to use it

Paste the JSON to check.
Write a condition that returns true or false.
Read the answer and confirm the rule.

Your JSON stays on this device

JSONata reads and transforms the JSON inside this browser tab. Bookify does not upload or save the data or expression. Every run has time, sequence, stack, input, and output limits, and $eval stays disabled.