DolphinCSV is a hosted CSV importer with automatic column matching, data validation, and data cleaning.
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Jul 14, 2026 - TypeScript
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spreadsheet-import
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A dependency-free React bulk upload modal for CSV and Excel (XLSX) import: upload → validate → fix errors inline → import in batches → results summary. Works as a drop-in React.js bulk upload / bulk import modal for CSV upload, Excel import, and general data import workflows — no UI library required, the modal, buttons, and stepper are self-contain
react data-validation react-components file-upload xlsx react-modal csv-parser csv-import excel-import bulk-upload react-csv batch-import react-excel spreadsheet-import react-file-uploader
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Sep 6, 2026 - JavaScript
A high-performance, headless React library for spreadsheet imports. Features a multi-stage pipeline (Parser → Sanitizer → Validator → Transform) powered by Web Workers and Comlink for zero main-thread blocking.
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Updated
Mar 4, 2026 - TypeScript
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