JSON Viewer & Editor Pro

Professional JSON Editor. Visualize, Edit, Validate & Convert to Excel/PDF.

JSON Viewer & Editor is a high-performance utility app designed for developers, analysts, and power users who work with JSON files daily.

Whether you’re inspecting a small config file or editing a massive JSON dataset, the app stays fast, stable, and easy to navigate.

🔹 View & Edit with Confidence

Code View with syntax highlighting, line numbers, and folding
Tree View to explore deeply nested structures visually
Instantly edit keys and values (strings, numbers, booleans, null)

🔹 Navigate Complex JSON Easily

Breadcrumb navigation to track your position
Expand / collapse nodes with smart depth handling
Focus on specific branches without losing context

🔹 Built for Large Files

Handles large JSON files smoothly without freezing
Smart virtualization for massive or minified files
Heavy operations run in the background to keep the UI responsive

🔹 Powerful Search & Formatting

Find & Replace across code and tree views
Jump to specific lines instantly
Prettify or minify JSON with one tap
Real-time validation with clear error messages

🔹 Export & Share

Export JSON to Excel (.xlsx), CSV, PDF, or Text
Smart flattening for structured data exports
Share files easily using system share options

🔹 Clean, Modern Experience

Light & Dark mode support
Minimal, distraction-free UI
Works fully offline
No account or login required

If you regularly work with JSON files and want a fast, reliable, and thoughtfully designed tool — JSON Viewer & Editor is built for you.