How to use JSON Validator

  1. Paste or type JSON in the input area.
  2. Validation runs automatically as you type.
  3. If valid, you'll see "Valid JSON"; if invalid, the error and location are shown.

Example

Input

{"name":"DevToolKit","tools":["Validator"],"active":true}

Output

Valid JSON

Frequently asked questions

What does the JSON Validator check?
It checks syntax: brackets, commas, quotes, and key/value structure. It does not validate against a schema.
Why does it show line and column?
Line and column point to where the error was detected so you can fix it quickly.

Related tools