Spreadsheet and Data Tools
Convert, clean, and prepare tabular files in the browser.
CSV to JSON
Turn CSV rows into structured JSON objects.
CSV to XLSX
Create an Excel workbook from CSV rows in the browser.
XLSX to CSV
Extract worksheet rows from an XLSX workbook as CSV.
JSON to CSV
Turn arrays or objects into spreadsheet-ready CSV.
TSV to CSV
Turn tab-separated rows into spreadsheet-ready CSV.
Merge CSV
Combine CSV files into one spreadsheet-ready CSV in the browser.
Remove Duplicate Rows
Keep the first copy of each CSV row and remove later duplicates.
Remove Empty Rows
Delete blank CSV rows while keeping real data in order.