JSON Formatter & Minifier

Format, prettify, or minify JSON data. Validates syntax to help catch errors.

Input JSON

Output JSON

About JSON Formatter & Minifier

This is a free, fast, and fully client-side json formatter & minifier tool. All processing is done locally within your browser to ensure maximum privacy and security. No data is sent to our servers. Bookmark this page for quick access to ad-free, high-performance SEO and developer utilities.