Works in your browser
JSON Validator
Validate JSON online by pasting raw JSON and checking whether it parses correctly in your browser.
Use this free online tool to json validator. Upload your file, let the browser process it, and download the result in a few clicks.
Paste JSON to validate
What happens to your file?
This tool is designed to process files in your browser whenever possible. That means your file usually stays on your device and you get the result right away without creating an account.
Supported formats
This tool works with Pasted JSON.
Related tools
Popular next tasks
People who use this tool often continue with one of these common file tasks.
How to use
- 1.Paste your JSON text.
- 2.Validate the content.
- 3.Review or download the normalized JSON.
FAQ
Can I use this for school or office files?
Yes. This tool is built for everyday tasks like checking whether JSON is valid without extra setup.
Does this change my original file?
No. The tool creates a new result for you to download, leaving your original file unchanged.
Do I need special software?
No. You can use the tool directly in your browser.