CSV to XLSX Converter — Free Online
Use this free csv to xlsx to turn CSV into Excel (XLSX) online. People also search for “convert csv to xlsx”. Upload your file, convert in one click, and download instantly.
About this csv to xlsx
This free csv to xlsx turns CSV into editable Excel (XLSX) (or the reverse) in your browser. HQ Convert runs the conversion on the server with LibreOffice and Calibre where needed, then lets you download the result — no desktop install.
People search “csv to xlsx” when they need to edit a locked PDF, share a Word file as PDF, or clean up slides. Keep original files until you confirm fonts, images, and page breaks look right on your device.
Complex layouts (multi-column, heavy tables, embedded fonts) may need a quick review after conversion.
How to convert csv to xlsx
- Upload your CSV file (drag and drop or browse).
- Keep the output format set to Excel (XLSX).
- Click Convert and wait while HQ Convert processes your file.
- Download the finished Excel (XLSX) file.
Why HQ Convert
Fast, focused tool
Convert CSV to Excel (XLSX) on this page — upload, convert, download without extra steps.
No signup required
Start converting immediately. No account wall for standard conversions.
Mobile-friendly
Works on phones and desktops. Upload from your gallery or files app.
Large files welcome
Upload up to 400 MB per file for documents, images, and media.
Tips for best results
- Also works when you search “convert csv to xlsx” — same CSV → Excel (XLSX) tool.
- Related searches like “csv to xlsx converter” land on this converter too.
- Open the downloaded file once to verify layout, fonts, and images.
- CSV files are handled under Tables / Data on HQ Convert.
FAQ
Is this csv to xlsx free?
Yes. HQ Convert offers free online conversion with no account required for standard use.
How do I convert csv to xlsx?
Upload your file, confirm Excel (XLSX) as the output, click Convert, then download. Everything happens on this page.
Do you keep my files?
Files are processed to complete your conversion. Do not upload confidential documents you are not allowed to process online.
Does it work on iPhone and Android?
Yes. The converter is mobile-friendly. HEIC iPhone photos can be converted when you choose a HEIC route.
What is the max file size for csv to xlsx?
You can upload files up to 400 MB. Very large media conversions take longer than small documents.
Any quality tips?
Keep your original until you verify the output on your device.
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