JSONViewer: JSON Tool

Format, validate and explore JSON in a clean tree view.

Format, validate and explore JSON in a clean tree view.

JSONViewer keeps it simple — open the app and get what you need in seconds. No account, no setup, no clutter.

FEATURES • Read JSON clearly — right when you need it • Clean, native design built with SwiftUI for a fast, fluid experience • Works fully offline — your data stays on your device • No ads, no tracking, no sign-up

Great for json, format, viewer and more. Whether at home or on the go, JSONViewer is the quick, reliable way to get it done.

Runs on iPhone, iOS 17 and later.