JSON•100% Client-Side

JSON Formatter & Beautifier

Format, clean, and beautify your raw JSON payloads instantly with syntax highlighting. Choose custom indentation spacing or minify your JSON. All formatting runs securely in your browser.Reference Spec: JSON.org Standard Specification→

Raw JSON Input
Formatted JSON

Try with Examples

Frequently Asked Questions (JSON Formatter)

What is a JSON Formatter?

A JSON Formatter is a tool that takes unformatted, minified, or hard-to-read JSON (JavaScript Object Notation) data and cleans it up by adding proper indentation, spacing, and line breaks. It helps developers inspect structure and identify errors easily.

Does this JSON Formatter send my data to a server?

No. Security and privacy are built-in. All operations run locally inside your browser using client-side JavaScript. Your data never leaves your computer, making it completely secure and privacy-friendly.

What formatting configurations are supported?

You can format your JSON using 2 spaces, 4 spaces, or tabs. You can also minify your JSON, which compresses the text into a single line by removing all whitespace and line breaks to minimize payload size.

How do I fix a 'JSON parsing error'?

If you receive an error, check if your JSON has trailing commas, missing quotation marks around keys, or unescaped strings. The editor highlights the line where the syntax error is located to help you debug quickly.

Related Utilities

JSON Validator
JSON
JSON Viewer
JSON
JSON Diff
JSON