JSON Formatter
Format, validate, and beautify JSON data. Minify JSON or view it in a collapsible tree.
How to Use JSON Formatter
Paste your JSON to instantly format, validate, and beautify it with proper indentation. View the structure in a collapsible tree, minify for production, or copy the formatted output. Handles large JSON payloads efficiently with syntax highlighting and real-time error detection. An essential tool for developers working with APIs, configuration files, and data.
Frequently Asked Questions
Yes, the tool validates your JSON in real time and shows clear error messages with line numbers if the syntax is invalid.
Yes, one click to switch between formatted (beautified) and minified views. Minified JSON removes all whitespace for the smallest possible output.
The tool handles JSON payloads of several MB without issues, processing everything in your browser.