| What it does | Free in-browser viewer for scientific and ML data files
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| Stage | Not given
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| ES
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| Open source
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| Pricing | Free
| Free and open source under MIT license
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| Key features | - Browse HDF5 groups, datasets and attributes
- Read Parquet schemas, row groups and column statistics
- Open Zarr v2 and v3 stores from a folder or a zip
- Inspect Apache Arrow and Feather files
- View CSV, TSV and Excel spreadsheets
- Load NumPy .npy and .npz arrays
- List safetensors tensors and step through TFRecord records
- Slice N-dimensional arrays and render heatmaps
- Parse every file locally, with no upload
- Work offline after page loads
| - Type-safe schema validation with Zod 4 or Standard Schema
- Dynamoose-compatible call shapes
- Query, scan and condition expressions
- Transactions and batch operations
- Codemod for dynamoose migration
- Date storage configuration
- Update expressions and operators
- Secondary indexes with type safety
- ES module and CommonJS builds
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| What makes it different | - All data processing happens in your browser with no server uploads
- Opens very large files by reading only the bytes you view
- No installation, account or login required
- Comprehensive articles explaining data format specifications
| - 93 to 854 times faster than dynamoose 4.2.0 on CPU benchmarks
- Automatic codemod for seamless migration from dynamoose
- Works with any Standard Schema, not just Zod
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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 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 9 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 10 |
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| Citation Flow (Majestic) | 22 | 27 |
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| Referring domains (Majestic) | 20 | 60 |
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ViewKit
DynoTable