Free Online JSON Validator

What is a JSON Validator?

The JSON Formatter & Validator beautifies and debugs JSON data in an elegant polygonal interface. This JSON Validator by LambdaTest is free, easy to use, and doesn't have any ads or popups. Try now!

How does this JSON Validator works?

The quickest and easiest way to test JSON Validation is to load the data into a JObject or JArray, and then use the IsValid(JToken, JsonSchema) method with the JSON Schema.

Why use JSON Validator?

Writing code requires the developer to be focused and proficient with the programming language they are using, even if it is simple as JSON. Finding bugs or errors in JSON code can be tricky, and it can take a lot of time to debug.

Using the online JSON Validator not only eases discovering and correcting errors but also saves the developer's time. The JSON Validator quickly checks your code's validity or detects and points out the line number containing the error in a single click.

What is a valid value in JSON?

All values in JSON must be one of the following data types: strings. numbers, or JSON objects.

What are JSON Schema and its purpose?

JSON Schema is a specification that defines the JSON data structure. The JSON Schema provides a contract for the JSON data required for an application. The JSON Schema comes in handy to validate that the JSON data is in the correct format and structure where a property is not null.