Is my JSON data kept private?

JSON Formatter

Prettify, format, indent, and minify JSON data with instant syntax error detection.

Your files are processed in your browser and are not uploaded to our server.

Input your raw or unformatted JSON text.

Choose 2 spaces, 4 spaces, or Minify.

Copy the formatted output or download it as a .json file.

Format with 2-space or 4-space indentation

Compact minification for network payloads

Instant error detection with line numbers

Download as .json file directly

Everything you need to know about this tool and data privacy.

Yes, 100% of the parsing and formatting happens directly in your browser.

More tools in the same category you might find useful

Validate JSON syntax with detailed error pointers, character positions, and RFC 8259 compliance.

Encode plain text or binary files into Base64 format with UTF-8 support.

Decode Base64 encoded strings back to plain text or preview and download files.