More forms. Less code.

Declare your forms as JSON based on a JSON Schema

Fully-featured forms including data-binding, input validation, and rule-based visibility out-of-the-box

Designed for customizability - from custom styling to custom widgets

JSON Forms is a JSON Schema based approach for creating forms.
It comes with off the shelf support for React, Angular and Vue.

Demo
Schema
UI Schema
Data

First Name

Last Name

Age

is a required property

Date Of Birth

Height

Gender

Committer

Address for Shipping T-Shirt

Street

Streetnumber

Postal Code

City

schema.json

{
  "type": "object",
  "required": [
    "age"
  ],
  "properties": {
    "firstName": {
      "type": "string",
      "minLength": 2,
      "maxLength": 20
    },
    "lastName": {
      "type": "string",
      "minLength": 5,
      "maxLength": 15
    },
    "age": {
      "type": "integer",
      "minimum": 18,
      "maximum": 100
    },
    "gender": {
      "type": "string",
      "enum": [
        "Male",
        "Female",
        "Undisclosed"
      ]
    },
    "height": {
      "type": "number"
    },
    "dateOfBirth": {
      "type": "string",
      "format": "date"
    },
    "rating": {
      "type": "integer"
    },
    "committer": {
      "type": "boolean"
    },
    "address": {
      "type": "object",
      "properties": {
        "street": {
          "type": "string"
        },
        "streetnumber": {
          "type": "string"
        },
        "postalCode": {
          "type": "string"
        },
        "city": {
          "type": "string"
        }
      }
    }
  }
}

uischema.json

{
  "type": "VerticalLayout",
  "elements": [
    {
      "type": "HorizontalLayout",
      "elements": [
        {
          "type": "Control",
          "scope": "#/properties/firstName"
        },
        {
          "type": "Control",
          "scope": "#/properties/lastName"
        }
      ]
    },
    {
      "type": "HorizontalLayout",
      "elements": [
        {
          "type": "Control",
          "scope": "#/properties/age"
        },
        {
          "type": "Control",
          "scope": "#/properties/dateOfBirth"
        }
      ]
    },
    {
      "type": "HorizontalLayout",
      "elements": [
        {
          "type": "Control",
          "scope": "#/properties/height"
        },
        {
          "type": "Control",
          "scope": "#/properties/gender"
        },
        {
          "type": "Control",
          "scope": "#/properties/committer"
        }
      ]
    },
    {
      "type": "Group",
      "label": "Address for Shipping T-Shirt",
      "elements": [
        {
          "type": "HorizontalLayout",
          "elements": [
            {
              "type": "Control",
              "scope": "#/properties/address/properties/street"
            },
            {
              "type": "Control",
              "scope": "#/properties/address/properties/streetnumber"
            }
          ]
        },
        {
          "type": "HorizontalLayout",
          "elements": [
            {
              "type": "Control",
              "scope": "#/properties/address/properties/postalCode"
            },
            {
              "type": "Control",
              "scope": "#/properties/address/properties/city"
            }
          ]
        }
      ],
      "rule": {
        "effect": "ENABLE",
        "condition": {
          "scope": "#/properties/committer",
          "schema": {
            "const": true
          }
        }
      }
    }
  ]
}

{
  "firstName": "Max",
  "lastName": "Power"
}

We released v3.5.0 🎉.

Besides various small fixes and improvements the release contains the support of Angular 18 & 19 as well as React 19.

You can find the full changelog in the Github release notes.

Any questions? Check out our community forum.

JSON Forms Architecture

JSON Forms has a modular architecture and can be customized on every level. The core functionality is pure Javascript and therefore independent from any UI framework. We offer bindings for React, Angular and Vue. For more information see here.

JSON Forms is a JSON Schema based approach for creating forms. It comes with off the shelf support for React, Angular and Vue.

JSON Forms Architecture

JSON Forms is a JSON Schema based approach for creating forms.
It comes with off the shelf support for React, Angular and Vue.