100% Client-Side:XLSX, CSV, TSV, Markdown & JSON parsing runs locally in browser memory with zero server uploads.
Smart Numeric Sort • Rule Filtering • 1-Click Blank Cleanup

Sort & Filter Excel / CSV Rows Online

Click Sort to rank numbers, currency (`$14,500`), or dates with Row 1 frozen. Click Filter to keep matching rows, purge rows, or delete every empty row in one click.

A1
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