Free, privacy-first JSON to Excel converter. Transform JSON and JSONL files to .xlsx format directly in your browser. No uploads, no servers, no sign-up.
Drop a standard JSON array or a newline-delimited JSONL file. Both formats are auto-detected and converted to rows in your Excel spreadsheet.
Your JSON file stays on your device. No data is sent to any server. Everything runs locally in your browser using DuckDB WASM.
Numbers, dates, and text are detected from your JSON and preserved in the Excel output. Formulas and sorting work correctly from the start.
Filter rows, select specific fields, aggregate data, or add calculated columns. Shape the data before sending it to Excel.
No sign-up, no trial, no watermarks. Convert as many JSON files to Excel as you need, completely free.
Once loaded, ExploreMyData works without an internet connection. Convert JSON to Excel even on a plane.
Drag a .json or .jsonl file onto the page. It loads instantly.
Select fields, filter rows, or reshape the data before export.
Click Export, choose .xlsx, and download your Excel file.
Open exploremydata.com/app, drag your JSON or JSONL file onto the page, then click Export and choose Excel (.xlsx). Each JSON object becomes a row in the spreadsheet.
ExploreMyData flattens top-level keys into columns. For deeply nested structures, you can use the transform pipeline to extract and reshape specific fields before exporting to Excel.
ExploreMyData supports both standard JSON (an array of objects) and newline-delimited JSON (NDJSON/JSONL), where each line is a separate JSON object. Both formats are auto-detected.
Yes. You can select, rename, reorder, or remove columns before exporting. Only the fields you choose will appear in the Excel output.
No sign-up, no upload, no tracking. Just drop your file and export.
Convert JSON to Excel Free