Fast Processing
Handles large JSON files with real-time validation using CodeMirror.
Secure
All processing happens client-side, ensuring data privacy.
Responsive
Works on all devices, from desktops to mobiles.
Offline Support
Works offline after initial load (requires service worker).
Advanced Features
Schema validation, tree view, and CodeMirror editor.
Customizable
Light, dark, and high-contrast themes with synced editor styles.
How to Use This Tool
- Paste your JSON in the editor or import from a file.
- Use the Format button to beautify JSON (Ctrl-Space for autocomplete).
- Use the Minify button to compress JSON.
- The Validate button checks JSON syntax with real-time linting.
- Explore the Tree View to navigate JSON structures.
- Use Schema Validation to validate JSON against a schema.
- Export or share your formatted JSON.
- Use Convert To to transform JSON into YAML, XML, or CSV.
- Customize formatting with Settings (indentation, key sorting, editor theme, JSON5 support).