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CSV & Excel viewers, converters, merge, split, filter and more
16 tools in Spreadsheet
Open CSV as an Excel-style table and export clean data
Open XLSX/XLS sheets in the browser with multi-sheet support
Convert CSV to XLSX or Excel back to CSV privately
Turn JSON arrays into CSV tables or CSV into JSON objects
Map spreadsheet rows to JSON for APIs and configs
Combine multiple CSV files into one table
Split a large CSV into chunked files and download a ZIP
Rename, reorder, or delete columns in CSV/Excel
Filter rows by column and find-replace cell text
Remove duplicate rows by key columns
Export CSV or Excel tables as a printable PDF
Export spreadsheet sheets as PDF
Sort CSV rows by column
Swap rows and columns in CSV
Convert SQL INSERT statements or result tables to CSV free online
Mini spreadsheet with SUM, AVG, MIN, MAX formulas free online