Excel to CSV & JSON converter
Convert spreadsheets between XLSX, CSV and JSON. Preview the data and pick the sheet before you download.
- Files never leave your device
- Instant, no waiting queue
- No watermark, no limits
How to use the Excel ⇄ CSV / JSON tool
- 1
Open an .xlsx, .xls, .ods or .csv file.
- 2
Choose the sheet and output format.
- 3
Download the converted file.
Convert Excel to CSV and JSON – and back
This Excel to CSV converter turns XLSX spreadsheets into CSV or JSON, and CSV/JSON back into Excel. Preview your data, choose the sheet and download – handy for importing product catalogues into Shopify, WooCommerce or marketplaces, and for developers who need JSON from a spreadsheet.
Common uses
- Product imports – convert inventory sheets to CSV for e-commerce platforms.
- APIs and apps – convert Excel to JSON for web projects.
- Data cleaning – quickly preview and export a single sheet.
Need SKUs for your catalogue? Try the SKU generator. Format JSON with the JSON formatter.
Frequently asked questions
Is this tool free?
Yes, it is 100% free with no sign-up, no watermark and no daily limit.
Are my files uploaded to your server?
No. The tool runs entirely in your browser using JavaScript. Your files never leave your device, so the tool is private and works even on slow connections.
Are formulas kept?
CSV and JSON store values only, so the calculated result of each formula is exported.
How do I convert XLSX to CSV?
Upload the Excel file, choose the sheet, pick CSV and download.
Can I convert CSV to Excel?
Yes. Upload a CSV and download it as an XLSX workbook.
Does it keep Hindi and other Unicode text?
Yes. CSV files are exported with UTF-8 encoding so Unicode text is preserved.