CSV to Excel
Convert a CSV file to Excel (.xlsx) in your browser. Download a real spreadsheet — nothing is uploaded.
Convert a contact CSV to vCard (.vcf) in your browser. Map name, email, and phone columns, then export.
Drop a contact CSV here or click to choose
Processed locally — nothing is uploaded
Convert a contact CSV into vCard (.vcf) files. Map name, email, and phone columns before export.
Everything runs locally in your browser — your files are never uploaded to a server.
Drop a contact CSV, map name, email, phone, and organization columns, then download a .vcf file.
Yes. Every Excel and CSV tool on ReallyUseful.Tools is free to use, with no account or subscription required.
No. Files are processed in your browser on this device. Nothing is uploaded to our servers.
Yes. Download the .vcf and import it in Google Contacts, Apple Contacts, Outlook, or similar apps.
Convert a CSV file to Excel (.xlsx) in your browser. Download a real spreadsheet — nothing is uploaded.
Convert Excel .xlsx or .xls to CSV in your browser. Choose a sheet and delimiter, then download.
Open and browse a CSV in a paginated table in your browser. No upload — view large files locally.
Combine multiple CSV files into one in your browser. Rows are stacked and headers aligned by name.
Convert CSV rows into structured XML in your browser. Each row becomes an element — nothing is uploaded.