TFToolFina
Developer Tools

JSON Validator

Validate JSON and see clear parsing feedback.

Valid JSON

Result

{
  "name": "ToolFina"
}

How to use

  1. Paste JSON into the validator.
  2. Review whether it is valid or needs fixing.
  3. Use the formatter if you also want indentation.

Example

Input

{"ok": true}

Output

Valid JSON.

FAQ

Can it fix invalid JSON automatically?

It reports parsing errors. You can then edit the input and validate again.

Privacy note

Developer tool input is processed locally in your browser and is not sent to a server.

This tool runs in your browser. ToolFina does not require an account for public tools.