JSON Formatter & Validator
Prettify, minify, and validate JSON data instantly.
Result Output
How to Use
Paste your raw or minified JSON into the editor.
Click 'Format & Validate' to prettify the JSON and check for errors.
If there is an error, it will be displayed in the result box.
Copy the perfectly formatted JSON for your use.
Common Questions
Why is my JSON invalid?
Common issues include missing commas, unquoted keys, or mismatched brackets. Our validator will show you the exact error message.
Does it support minification?
Yes, you can paste minified JSON and the 'Format' button will expand it with proper 2-space indentation.
What is JSON Formatter & Validator?
Prettify, minify, and validate JSON data instantly. This tool is a core part of the **TextNode Utilities** ecosystem, engineered to provide high-performance text manipulation and data formatting directly within your browser.
The **JSON Formatter & Validator** is built with a focus on speed and privacy. Unlike traditional online utilities, it processes your data using your own device's computing power. This means your text is never transmitted to a server, keeping your sensitive information 100% private and secure at all times.