JSON Tools: Viewer & Formatter

A fast, private JSON editor and viewer for iPhone and iPad. Paste an API response, open a file or load a URL, then format, validate, explore and convert it without leaving your device. EDIT LIKE ON YOUR DESKTOP • Syntax highlighting, line numbers and code folding • Smart editing: brackets and quotes close themselves, closers line up, Backspace steps back a whole indent level • Keyboard toolbar with JSON keys, indent and outdent • Tabs, find and replace, undo and redo, and full iPad keyboard shortcuts EXPLORE YOUR DATA • Interactive tree view with search, JSONPath filters and Copy JSONPath • Table view shows arrays of objects as a spreadsheet-style grid • Side-by-side diff against another file, pasted text, an open tab or a URL VALIDATE WITH JSON SCHEMA • Built-in SchemaStore catalog covering hundreds of popular config files • Use the $schema your file declares, add one from a file or URL, or generate one from your JSON • Errors point to the exact line CONVERT AND EXPORT • Pretty-print or minify with your preferred indentation • Convert JSON to YAML, XML, CSV, TSV, TOML, TOON, HTML, Markdown and Base64 • Generate model classes for Swift, Kotlin, Dart, TypeScript, Python, Java, C# and Go PRIVATE BY DESIGN Your documents are processed on your device and never uploaded. No account, no ads, no tracking. Open files from the Files app, iCloud Drive or a URL, and share results anywhere.