Most JSON formatters go silent the moment your input is invalid — a red border, maybe a generic “Invalid JSON” toast, and you’re left scanning a few hundred lines by eye.
Our new JSON formatter doesn’t do that:
- Real error messages — when parsing fails, you see the actual error the browser’s JSON parser produced, not a generic fallback.
- Position, when we can find it — most parse errors point at a specific character; we pull that number out and show it plainly, so “near position 27” gets you straight to the trailing comma or stray quote.
- Pretty-print and minify, one click apart — format for reading, or strip every unnecessary byte for a smaller payload.
- A few honest stats — valid/invalid status, key count, and byte size before and after, so you can see minifying actually did something.
It validates syntax, not schema — it won’t tell you a field is the wrong type, only whether the JSON itself parses. And like every tool on this hub, your JSON never leaves your browser: no upload, no logging, no URL parameter carrying your payload around.
Building or debugging an API? The formatter is embeddable with a single iframe.