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JSON Validator

Check whether JSON is valid without sending it anywhere.

Stays on this deviceYour JSON is processed locally in your browser and is not uploaded to our servers.

How to use

  1. Paste JSON.
  2. Read the validation result.
  3. Fix syntax errors and try again.

Example

{ "ok": true }

JSON Validator

This tool only parses JSON. It does not pretty-print. Use it when you need a quick valid/invalid check.

FAQ

Does validation change my JSON?
No. It only parses the text.
Are comments allowed?
No. Standard JSON does not allow comments.

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