❓ Frequently Asked Questions
1. Is my data uploaded to a server?
No. All data conversions happen directly in your browser using JavaScript. Your files and content are never uploaded or stored externally.
2. What formats are supported?
You can convert CSV, Excel (.xlsx), and JSON formats in both directions. Multiple sheets are supported for Excel files.
3. Is this tool free to use?
Yes. This tool is completely free and does not require any signup or subscription.
4. Can I use this on mobile devices?
Yes. The tool is fully responsive and works well on mobile browsers.
5. Does it support nested JSON structures?
Yes. Nested JSON can be flattened for CSV export using the built-in flattening option.
6. How do I report a bug or request a feature?
Please email us at choman150@gmail.com or open an issue on our GitHub repository.
7. Is there a file size limit?
While there is no enforced limit, very large files may slow down processing due to browser memory limits.
8. Can I convert multiple sheets from Excel?
Yes. If your Excel file has multiple sheets, you'll be prompted to choose which one to convert.