Zero-Server Storage  ·  100% Private Your files are processed entirely in your browser. Nothing is uploaded, stored, or seen by anyone — safe for confidential & GDPR/HIPAA-sensitive documents.

CSV to Excel Converter - Free & Offline (No Upload)

No Upload 100% Private Free

Drop your CSV file here

or click to select a CSV file

Frequently Asked Questions

Is my data private?

Yes. All processing happens in your browser with no data sent to any server.

Is there a size limit?

No limit. Processing is limited only by your browser's memory.

Related Data Tools

Excel to CSV XLS to XLSX CSV to JSON JSON to CSV DOCX to PDF