JSON Validator

About the tool

This app uses the jsonschema JavaScript library to perform validation synchronously on the client.

Demo

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Book",
  "type": "object",
  "properties": {
    "title": {
      "description": "The book title",
      "type": "string"
    },
    "author": {
      "description": "Author of the book",
      "type": "string"
    }
  },
  "required": [ "title" ]
}1
{
2
  "$schema": "https://json-schema.org/draft/2020-12/schema",
3
  "title": "Book",
4
  "type": "object",
5
  "properties": {
6
    "title": {
7
      "description": "The book title",
8
      "type": "string"
9
    },
10
    "author": {
11
      "description": "Author of the book",
12
      "type": "string"
13
    }
14
  },
15
  "required": [ "title" ]
16
}

JSON instance

{
  "title": "Harry Potter and the Chamber of Secrets"
}1
{
2
  "title": "Harry Potter and the Chamber of Secrets"
3
}

Validation result

No errors

JSON Validator

About the tool

Demo

See also