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v1.0 — Initial Release
The first stable release of JSON-Viewer.Ru — a fast, lightweight online JSON tool for developers.
Features
JSON Editor
- Syntax highlighting with error detection
- Format (beautify) and minify JSON
- Copy to clipboard, download, and upload JSON files
- Auto-save to localStorage
- Line numbers with error line highlighting
Tree Viewer
- Interactive collapsible JSON tree
- Detailed node information panel
- Expand/collapse all controls
Schema Generator & Validator
- Auto-generate JSON Schema from data
- Editable schema with syntax highlighting
- Validate JSON against any schema
- Schema statistics (types, properties, depth)
Binary Format Converters
- BSON — Convert to/from BSON format
- MsgPack — Convert to/from MessagePack format
- CBOR — Convert to/from CBOR (RFC 8949) format
- Hex dump view with size comparison
- Download and upload binary files
UI/UX
- Dark/Light theme with system preference detection
- Material Design styling
- Responsive layout
- GitHub Star button
Tech Stack
- Pure HTML, CSS, JavaScript — no frameworks, no external dependencies
- Local fonts (Roboto, Material Icons)
- PHP for dynamic content
Links
- Live: https://json-viewer.ru
- Repository: https://github.com/solkin/json-viewer