Excel to CSV
Convert an Excel spreadsheet to CSV online in your browser without uploading your file to a server.
What this tool does
NexKit Excel to CSV converts the first worksheet of an .xlsx file into CSV text, entirely in your browser. Fields containing commas, quotes, or line breaks are correctly quoted and escaped in the output.
How to convert Excel to CSV
Upload an .xlsx file and click Convert. The CSV text appears immediately - download it as a .csv file or copy it directly.
Accuracy and limits
This MVP converts only the first worksheet and accepts files up to 15MB and 5,000 rows.
Privacy and file handling
Your Excel file is read and converted entirely in your browser. It is not uploaded to NexKit servers by this tool.
Frequently Asked Questions
Is my file uploaded?
No. Your Excel file is processed locally in your browser. It is not uploaded to NexKit servers by this tool.
Which worksheet is converted?
Only the first worksheet in the workbook is converted in this MVP.
What is the maximum file size?
This MVP accepts .xlsx files up to 15MB and worksheets with up to 5,000 rows.