| What it does | The React component library you always wanted
| Free client-side developer tools that run entirely in your browser with no signup or data uploads
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| Stage | Established
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| Founded | 2014
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| Based in | Not given
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| Pricing model | Not given
| Free
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| Key features | - Material UI - foundational React components
- MUI X - advanced components for data grids and charts
- Base UI - unstyled customizable components
- Charts components including line, bar, pie, and scatter charts
- Date and Time Pickers
- Scheduler with event calendar and timeline
- Tree View component with selection and drag-to-reorder
- CSS utilities for custom design layouts
- Professional templates for applications
| - JSON to CSV converter with auto-delimiter detection and dot-notation flattening
- JSON formatter and validator with error highlighting
- Base64 encoder and decoder for text and binary data
- Cron expression parser with visual builder and English translation
- CSV to SQL converter for MySQL, Postgres and SQLite
- Regex tester and explainer with live highlighting
- Unix timestamp converter between epochs and dates
- UUID generator for v4 and v7 identifiers
- JSON diff for structural comparison
- JWT decoder and inspector
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| What makes it different | - Over 2,000 contributors maintaining comprehensive documentation
- Both free and commercial options with flexible licensing
- Accessible by default with high priority on inclusive design
- Powerful customization and theming capabilities
- 5.8 million weekly npm downloads with proven production use
| - 100% client-side processing with zero network requests
- No signup or account required
- Data never leaves your device for privacy and security
- Works offline after initial page load
- Each tool includes educational explanations of the underlying concepts
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 83 ● no change since last check | 6 ● no change since last check |
| Trust Flow (Majestic) | 38 | 4 |
| Citation Flow (Majestic) | 54 | 8 |
| Referring domains (Majestic) | 7384 | 8 |