JSON Formatter & Validator
Format, validate, minify and beautify JSON online for free. Everything runs directly in your browser.
Formatted JSON will appear here
Your JSON stays in your browser
This tool processes JSON locally in your browser. Your JSON is not uploaded to a server by this tool.
JSON Formatter & Validator
JSON Formatter & Validator is a free online tool for developers who need to quickly format, validate, beautify, or minify JSON data.
Properly formatted JSON is easier to read and debug. Validation helps identify syntax problems such as missing commas, incorrect quotation marks, invalid brackets, or malformed JSON values.
Features
Format JSON
Beautify compressed or difficult-to-read JSON.
Validate JSON
Check whether your JSON syntax is valid.
Minify JSON
Remove unnecessary whitespace and formatting.
Copy Result
Copy formatted or minified JSON with one click.
Download JSON
Save your formatted JSON as a .json file.
Browser Based
Process JSON directly in your browser.
How to Use the JSON Formatter
- 1. Paste JSON: Add your JSON data to the input box.
- 2. Choose an action: Format, Minify, or Validate your JSON.
- 3. Copy or download: Use the available buttons to save the result.
Frequently Asked Questions
What is JSON?
JSON stands for JavaScript Object Notation. It is a lightweight data format commonly used for APIs, configuration files, and transferring structured data.
What does JSON formatting do?
Formatting adds indentation and line breaks to make JSON easier for humans to read and debug.
What does JSON minification do?
Minification removes unnecessary spaces and line breaks while keeping the JSON data unchanged.
Is my JSON uploaded?
The formatting and validation in this tool happen directly in your browser. Your JSON is not sent to a server by the tool.