Keep going with what you just made.
{"name":"Ada","skills":["js","ts"],"meta":{"active":true}}{
"name": "Ada",
"skills": ["js", "ts"],
"meta": { "active": true }
}Beautify or minify JSON
Sample output — your files never leave your device.
Paste it in and format — it re-renders with clean indentation (2 or 4 spaces) so the structure is readable. Switch to the tree view for a collapsible, navigable version.
Paste it — valid JSON formats cleanly; invalid input produces a parse error telling you it couldn't be read. Common culprits: trailing commas, single quotes, unquoted keys.
It strips all whitespace and line breaks, producing the smallest valid JSON — what you want for request payloads, embedded config, or anywhere bytes count.
Here, yes — everything is processed locally in your browser and never transmitted. That's the real advantage over server-side formatters, which receive whatever you paste.
Yes. JSON Formatter is completely free on GenRise, with no limits, watermarks, or hidden paywalls.
No. Every GenRise tool works instantly in your browser — no account, email, or sign-up required.
No. JSON Formatter runs entirely on-device using your browser, so your files are never uploaded or stored anywhere. All processing happens locally.
JSON Formatter uses your browser's built-in capabilities — Canvas, WebAssembly, and File APIs — to process files locally. Format, validate, and minify JSON data instantly. Simply open the tool, select your file, and the result is generated instantly on your device.
Yes. Since JSON Formatter processes everything in your browser, your files never leave your device. There is no server-side storage, no tracking of file contents, and no data collection.
Yes. JSON Formatter works on any modern browser, including mobile devices. It is fully responsive and optimized for both desktop and mobile use.
GenRise JSON Formatter takes pasted JSON and makes it useful: pretty-print it with your choice of indentation, validate it and surface parse errors, minify it down for production payloads, or explore the structure as a collapsible tree — handy when you're five levels deep in an API response. Everything runs locally in your browser, so API responses containing tokens, user data or internal fields stay on your machine instead of being pasted into someone else's server.
JSON Formatter runs entirely in your browser. Anything you enter or upload is processed locally and never sent to a server. There is no account required, no tracking of your content, and no data collection.