JSON Master: Editor & Viewer

JSON Master is a professional JSON Formatter / Viewer / Converter for developers (offline iOS tool).

Three key points upfront: 100% offline processing, privacy-safe, large file support — your data is never uploaded to any server.

Core Features (Developer Favorites):

JSON Formatter & Beautifier: One-click format/beautify/minify, with syntax highlighting support.

JSON Viewer: Tree View / Text views for clear structure visualization.

JSON Validator: Instant syntax error detection (with line numbers) for quick API response debugging.

Fast Converter: Bidirectional JSON ↔ CSV / XML / Excel (.xlsx) conversion.

Large File Support: Smoothly open and edit large files.

Import Anywhere: Import from Clipboard / Files for debugging anytime.

Why Choose JSON Master?

• Privacy First: All formatting, validation, and conversion happen locally on your device.

• Focused & Distraction-Free: Clean interface with no redundant steps, perfect for quick data inspection and fixing.