Excel to JSON
Convert cells copied from Excel into a JSON array of objects — paste the copied cells directly (Excel copies as tab-separated text), not an .xlsx file upload.
- 1Select and copy your cells in Excel (Ctrl+C), including a header row
- 2Paste them into the input box
- 3Copy the generated JSON array
- Headers: id, name, email → JSON: [{"id":"1","name":"Alice","email":"alice@ex.com"}, ...]
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CSV to Excel
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Convert CSV text into a JSON array of objects, with keys taken from the first (header) row — paste your CSV, no file upload needed.