Zero Server Upload · Fast Spreadsheet to JSON

Free Online Excel to JSON Converter

Drop any Excel workbook (.xlsx or .xls) to convert rows into clean, structured JSON format with zero server uploads.

Key Features & Client-Side Capabilities

  • Clean JSON Array Export: Transforms spreadsheet rows into an array of structured JSON objects with column headers as object keys.
  • Confidential Records Stay Private: Internal financial sheets and user rosters are parsed locally without reaching third-party servers.
  • Multi-Sheet Workbook Support: Inspect and convert any worksheet within multi-tab Excel workbooks.

Frequently Asked Questions

How does TableView convert Excel rows into JSON?

TableView parses the workbook client-side using SheetJS and DuckDB, using the first row as object keys and subsequent rows as values in a clean JSON array.

Does it support older .xls binary Excel files?

Yes, both modern XML Excel spreadsheets (.xlsx) and legacy binary Excel files (.xls) are supported.

Can I copy the JSON directly to my clipboard?

Yes, you can preview the generated JSON in our built-in JSON inspector, format it with indentation, and copy it to your clipboard with one click.