Open JSON Hub, click 'Load from File' or 'Load from URL,' then select your JSON file to begin editing with the Monaco-based editor.

Yes, JSON Hub automatically validates JSON, showing errors in the error panel and highlighting problematic lines for quick correction.

Use the one-click convert feature to transform JSON/JSONC/NDJSON into formats like XML, YAML, CSV, HTML, Markdown, or Base64, accessible via the 'Convert' menu.

Use the Tree View to expand or collapse JSON properties, and the Table View to flatten arrays and objects for easy reading.

Yes, you can prettify, minify, or stringify JSON with configurable indentation in the editor toolbar for your preferred readability.

Yes, it can generate JSON Schema and stub code for over 10 programming languages via the 'Tools' menu, simplifying development tasks.

JSON Hub offers subscription plans for additional features; check the Settings > Account > Subscription section for details and options.

No, JSON Hub processes all data locally on your device, ensuring your data remains private and secure.

Ensure you have the correct permissions, then use the 'Save As' or 'Copy' options in the toolbar; try restarting if problems persist.

Restart the app, update to the latest version, or contact support through the 'Help' section for further assistance.