CSV & Spreadsheet Cleaner

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Processing stays in this browser. No file uploads.

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Help and limits

Values stay strings. No numeric conversion. XLSX formulas are never executed; cached values and raw numeric/date codes require review.

Maximum text: 2 MB. One operation at a time; 90-second timeout.

Reports can contain private text or headers. Review before sharing.

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How to use CSV & Spreadsheet Cleaner

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