Online Office Tools
Convert spreadsheet and data file formats quickly in your browser. All tools are free, private, and require no account.
Excel to CSV
Convert Excel spreadsheets to CSV files online for free.
Open Tool
CSV to Excel
Convert CSV files to Excel spreadsheets online for free.
Open Tool
About Our Office Suite
Exporting database tables or cleaning up datasets often requires converting spreadsheets. ConvertAxe provides utilities to convert Excel files (XLSX/XLS) to flat CSV files, and convert raw CSV data back to Excel XLSX spreadsheets.
For maximum security, files are processed over secure HTTPS connections and permanently deleted from our server within fifteen minutes. No logins, no emails, no watermarks.