CSV to Excel Free — Convert CSV to XLSX Online
Convert CSV files to Excel (XLSX) format with proper column formatting. Auto-detects delimiters and data types. No upload — processed in your browser.
Select CSV/TSV to synthesize
100% Local • Max: 100MB • Instant
How to Csv To Xlsx PDF Files Online
Step 1: Upload Files
Click the upload button or drag and drop your files into the tool.
Step 2: Adjust Settings
Configure your options or arrange files if needed.
Step 3: Click Csv To Xlsx & Download
Click the process button and download your processed file instantly.
Frequently Asked Questions
Q. How to convert CSV to Excel?
Upload your CSV file and click convert. The tool auto-detects delimiters (comma, tab, semicolon) and creates a properly formatted XLSX file.
Q. Does it handle different delimiters?
Yes! The converter auto-detects comma, tab, semicolon, and pipe delimiters. It also handles quoted fields correctly.
Q. Is the conversion free?
Completely free with no limits. Convert any number of CSV files to Excel format.
Q. Does it work on mobile phones?
Yes! OnlinePDFPro works perfectly on all devices - Android phones, iPhones, tablets, laptops and desktops. No app download needed.
Q. Is there a file size limit?
Since processing happens in your browser, there's no server-side file size limit. You can process files as large as your device can handle.