Sending formatted JSON over the wire wastes bandwidth on whitespace characters that machines never read. This minifier strips all unnecessary spaces, newlines, and indentation from your JSON, producing the most compact representation possible. It is especially useful before embedding JSON in URL parameters, localStorage values, or HTTP request bodies where every byte counts toward performance.
Format, minify, and validate JSON — instantly, in your browser.
Your tidy JSON shows up here
Paste some JSON on the left and hit Format. We'll pretty-print and color-code it for you.
All processing happens entirely in your browser — no data is ever sent to a server.