Is JSON Formatter & Beautifier free to use?

Yes, JSON Formatter & Beautifier is completely free with no limits. It works entirely in your browser with no registration required.

Is my data secure when using JSON Formatter & Beautifier?

Yes! All processing happens locally in your browser. No data is ever sent to any server, ensuring complete privacy.

Yes, once the page is loaded, this tool works completely offline without an internet connection.

Yes, the output follows industry standards and can be used in production applications.

Format, beautify, and validate JSON with syntax highlighting

Instant Results

100% Private

No Registration

JSON to Format

Instant formatting

Syntax validation

Customizable indents

Error highlighting

Standard: ECMA-404 JSON specification

Indent options: 2 spaces, 4 spaces, tabs

Validates syntax before formatting

Shows exact error locations for invalid JSON

Format minified JSON API responses for easy reading and debugging.

Beautify JSON config files for better readability and maintenance.

Format large JSON data sets to understand their structure.

Create nicely formatted JSON examples for API documentation.

Standard: ECMA-404 JSON specification

Your data stays in your browser

All processing happens locally. Nothing is sent to any server.