CSV to Excel
Drop your file(s) here
or click to browse from your computer
Supported: CSV
• Max 50 MB
What this tool does
Parses comma-separated values and converts them to Microsoft Excel format (.xlsx).
When to use it
When you download a raw CSV data dump and want to analyze it using Excel features.
How to use
Upload a CSV file
Click Convert
Download as a formatted .xlsx file
Good to know
- Your files are processed securely and never stored permanently
- Files are automatically deleted after 24 hours
- Secure server-side processing for complex tasks
About this tool
Convert CSV files to Excel instantly.
Automate CSV to Excel Conversions
Integrate PlainScan's fast and reliable CSV to Excel converter directly into your own applications using our developer API.
API Integration Guide
Convert CSV to Excel via a simple REST API.
1The Request
Initiate the conversion by making a POST request with your uploaded file ID.
POST /api/tools/csv-to-excel/jobs
Authorization: Bearer <your-token>
Content-Type: application/json
{ "file_id": "file_745e3ae76d08", "options": {} }
2The Response
The server will respond immediately with the job status and the output file ID:
{
"job_id": "job_1234567890ab",
"tool_slug": "csv-to-excel",
"status": "completed",
"input_file_id": "file_YOUR_UPLOADED_CSV_ID",
"output_file_ids": [
"file_NEW_EXCEL_ID"
],
"options": {},
"result_data": {
"rows_converted": 142
},
"created_at": "2026-06-20T10:00:00Z",
"updated_at": "2026-06-20T10:00:01Z",
"processing_time_ms": 1024,
"used_credit": false,
"credits_remaining": 95
}What this tool does
Convert CSV files to Excel online, preserving quality and ensuring data privacy.
When to use it
Perfect for students, professionals, and anyone needing quick, reliable file processing without installing software.
How to use
Upload your file to our secure server
Adjust any necessary settings
Download your processed file instantly
Good to know
- Your files are processed securely and never stored permanently
- Files are automatically deleted after 24 hours
- Secure server-side processing for complex tasks
About this tool
Convert CSV files to Excel. Secure, fast, and free online tool.