Convert XLSX to CSV — Free
Upload your XLSX file and get a CSV in seconds. No account, no watermark.
How to convert XLSX to CSV
Convert your XLSX files to CSV format quickly with BoltConverter. Our free online tool makes it simple to transform spreadsheet data for various applications. Get your data ready for databases, analysis tools, or other software that requires CSV input.
BoltConverter processes your files securely on our servers. We ensure your privacy by deleting all uploaded and converted files immediately after the conversion is complete. There is no need to install any software.
Upload XLSX File
Click the "Choose File" button and select your XLSX file from your device.
Start Conversion
After uploading, click the "Convert" button to begin the transformation process.
Wait for Processing
BoltConverter will process your file on our secure servers, which usually takes a few moments.
Download CSV
Once converted, click the "Download" button to save your new CSV file.
Frequently asked questions
Is BoltConverter's XLSX to CSV tool free to use?
Yes, BoltConverter offers this XLSX to CSV conversion tool completely free of charge for all users.
How long does BoltConverter store my files?
BoltConverter does not store your files. All uploaded XLSX files and converted CSV files are permanently deleted from our servers immediately after conversion.
Is there a file size limit for XLSX conversions?
Yes, the maximum file size for XLSX to CSV conversion is 100 MB. Files larger than this limit cannot be processed.
What is the quality of the converted CSV output?
BoltConverter aims to provide high-quality CSV output, preserving your data accurately from the original XLSX file.
Can I convert multiple XLSX files at once?
No, BoltConverter currently supports converting one XLSX file at a time. Please convert each file individually.