CSV / XLS
Online tools for quick conversion, editing, cleaning, and analysis of tabular data in CSV and Excel formats.
CSV to XLSX Converter
Convert CSV files to Excel (XLSX) format directly in your browser. Secure processing with no server…
XLS to XLSX Converter
Convert legacy .xls files to the modern .xlsx format directly in your browser without uploading dat…
XLSX to CSV Converter
Convert Excel files (.xlsx.xls) to CSV with your choice of delimiter (comma, semicolon, or tab).
CSV Merger
Combine multiple CSV files into one. Supports various delimiters, auto-detection, header management…
CSV to JSON Converter Online
Convert CSV data to JSON format instantly. The tool runs entirely in your browser, so no data is se…