DataForge — FAQ
Spreadsheet & Data Converter — Frequently Asked Questions
CSV, TSV, XLSX, XLS, JSON, and XML. Each format can be converted to multiple other formats.
Yes! After uploading a file, a data preview table shows the first rows so you can verify the content before converting.
Yes. For XLSX/XLS files with multiple sheets, you can select which sheet to convert.
Yes! Upload a JSON file (array of objects) and select XLSX as output. Each object becomes a row, and keys become column headers.
DataForge handles UTF-8 encoded CSV files. Special characters and international text are preserved.
All conversions happen in your browser using the SheetJS library. No data is uploaded to any server.
Files up to ~50MB work reliably. Larger files may cause browser memory issues.
Yes. XML data is parsed and flattened into a tabular format for CSV output.