JSON Formatter

Format, validate, and minify JSON instantly in your browser.

How to use JSON Formatter

Paste JSON

Add your JSON data into the input editor.

Format JSON

Use Format JSON to make your data readable and indented.

Minify JSON

Use Minify JSON to remove spaces and line breaks.

Validate syntax

Check if your JSON is valid or find syntax errors quickly.

FAQ

Frequently asked questions

What can the JSON formatter do?

It beautifies JSON with proper indentation, validates syntax, minifies, and even sorts keys.

Can it fix invalid JSON?

It highlights syntax errors with line numbers so you can locate and fix problems quickly.

Is JSON formatting free?

Yes, completely free with no limits and full browser-side privacy.

Can I minify JSON as well as format it?

Yes, use minify mode to strip whitespace for compact payloads, or format mode for readable output.

Is my JSON uploaded anywhere?

No, all parsing and formatting runs locally in your browser so your data stays private.