Spreadsheet Tools
Convert, clean, merge, split, and inspect CSV and Excel files in your browser.
JSON to CSV
Convert JSON to CSV in your browser without upload for fast spreadsheet-ready exports.
CSV to JSON
Convert CSV to JSON directly in your browser with no upload and clean, API-ready output.
Remove Duplicate Rows CSV
Remove duplicate CSV rows quickly in-browser using full-row or key-column matching.
Extract Column from CSV
Extract one or more CSV columns in-browser and download a focused file instantly.
Merge CSV Files
Merge multiple CSV files in-browser with header-safe options and no file upload.
Split CSV File
Split large CSV files into smaller parts in-browser for easier processing and sharing.
CSV Row Column Counter
Count CSV rows, columns, and empty cells instantly in your browser.
Excel to CSV
Convert Excel sheets to CSV in-browser with no upload and quick sheet selection.
CSV to Excel
Convert CSV to Excel (XLSX) in-browser for clean sharing and business review.
Excel Sheet Extractor
Extract selected Excel sheets in-browser and export as CSV or a focused workbook.