How it works
How to use CSV to Excel online
- Choose the file or files requested by the tool.
- Adjust any available settings for the output you want.
- Run the tool in your browser and download the finished result.
Data tool
Create an XLSX workbook from CSV data.
Your file stays in this browser.
How it works
Overview
Create an XLSX workbook from CSV data. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.
Upload a CSV or text file or paste text
Excel files
1 file · 100 MB max
Best for
Processing
PrivConvert uses Papa Parse and SheetJS for this workflow. 2 adjustable settings. No special browser capability is required for typical inputs
Your file stays in this browser while the tool runs.
Related tools
FAQ
Yes. This tool is free to use in your browser and does not require an account.
PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.
Your file stays in this browser while the tool runs.