| What it does | Free in-browser viewer for scientific and ML data files
| Windows software for checking gift card balances and batch processing
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| Stage | Not given
| Startup
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| Founded | Not given
| 2024
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| Based in | Not given
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| Pricing model | Not given
| Freemium
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| Pricing | Free
| Free: one card at a time. PRO: US$39/month, billed monthly, includes batch import, batch check, stop and resume, CSV export, and pre-activation check.
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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
| - Check one gift card balance and status
- Apple gift cards across 31 countries and regions
- Multiple US brand gift cards including Walmart, Target, Starbucks, Best Buy, Nike
- Batch import and check multiple cards
- Stop and resume batch processing
- Export results as CSV file
- Pre-activation check to verify card is activated before balance query
- Read-only checks that do not affect card reload
- Copy batch results directly
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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
| - Supports 31 Apple regions with country and currency variations
- Pre-activation check queries official brand APIs before balance lookup
- All checks run locally in Windows client, never uploads card data to website
- Handles multiple gift card result types including failed sign-in and unknown status
- Batch processing distinguishes between activated and not activated cards
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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 | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 22 | 0 |
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| Referring domains (Majestic) | 20 | 0 |
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ViewKit
GiftVeri