Free online Excel & CSV tools
Get more done
with your data.
Merge, compare, convert, clean and transform Excel, CSV and other data files. Fast, private and easy to use — right in your browser.
Merge CSV Files
Combine multiple CSV files into a single file.
Drag and drop your CSV files here
or click to select files
Supports .csv files · Multiple files can be selected
Private by design
Your files never leave your browser
Fast and easy
Get results in seconds with a simple interface
Works everywhere
Use on Windows, Mac and modern browsers
No registration
Start using the tools immediately
Popular Data Tools
Simple tools for everyday data work
Clean, convert, compare and combine your data without uploading files to a server.
Merge CSV Files
Combine multiple CSV files into one clean file.
Compare CSV Files
Find added, removed and changed records.
CSV to Excel
Convert CSV files into Excel XLSX workbooks.
Excel to CSV
Convert Excel XLSX worksheets into CSV files.
Remove Duplicates
Remove duplicate rows using the columns you choose.