Convert spreadsheets between XLSX, CSV, and JSON, in bulk, entirely in your browser.
Drop spreadsheets here
or click to browse — XLSX, XLS, CSV, JSON
For multi-sheet workbooks, only the first sheet is used.
Related tools
CSV ↔ JSON
Convert between CSV and JSON with a live table preview.
JSON Formatter
Validate, format with configurable indentation, and minify JSON.