CSV to Excel
Convert CSV files to Excel XLSX format directly in your browser. Preserves the full data structure, handles quoted fields, and supports comma, semicolon, tab, and pipe delimiters. Download a ready-to-use .xlsx file compatible with Excel, Google Sheets, and LibreOffice.
Updated June 2026
- 1Upload your CSV file
- 2Conversion runs instantly
- 3Download your Excel file
Drop your CSV anywhere, click to browse
CSV files · or paste CSV below
How to Use CSV to Excel
- 1
Upload your CSV file
Drag and drop your CSV file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.
- 2
Conversion runs instantly
ToolBubble converts the file to Excel directly in your browser — no waiting in an upload queue.
- 3
Download your Excel file
Once processing finishes, the converted Excel file downloads automatically to your device.
Frequently Asked Questions
Which CSV delimiters are supported?▼
Can I open the result directly in Microsoft Excel?▼
Are column headers preserved?▼
Is the conversion done in the browser?▼
Does it support large CSV files?▼
How to use CSV to Excel
- 1
Upload your CSV file
Drag and drop your CSV file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.
- 2
Conversion runs instantly
ToolBubble converts the file to Excel directly in your browser — no waiting in an upload queue.
- 3
Download your Excel file
Once processing finishes, the converted Excel file downloads automatically to your device.
Frequently asked questions
Everything you need to know about csv to excel.
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