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Excel Conversion Tools

Choose a conversion tool below to process your Excel files efficiently and securely.

Excel to JSON
Convert Excel (.xlsx, .xls) spreadsheets to valid JSON arrays or objects.
Excel to CSV
Export any sheet from an Excel workbook as a comma-separated CSV file.
Excel to HTML
Convert Excel spreadsheets to a responsive HTML table — full page or raw fragment.

What is Free Online Excel Converter Tools?

FileMint's Excel Converter Tools let you transform spreadsheet data between the most common formats — all online and for free. Convert Excel files (XLSX or XLS) to JSON for use in code, to PDF for shareable read-only documents, or extract data to CSV for analysis in any tool....