Converters
CSV / Excel ↔ JSON ConverterOnline Developer Tool
Upload CSV or Excel files and convert to JSON, or export a JSON array of objects back to CSV and XLSX. Dates from Excel become ISO strings. Runs in your browser.
About CSV / Excel ↔ JSON Converter
Upload CSV or Excel files and convert to JSON, or export a JSON array of objects back to CSV and XLSX. Dates from Excel become ISO strings. Runs in your browser. Runs entirely in your browser — no installation, no account required to try it.
Key Features
- csv to json
- excel to json
- xlsx to json
- json to csv
- json to excel
- spreadsheet converter
- tabular data
- Runs in your browser — no install
- Free to use, always
How to Use CSV / Excel ↔ JSON Converter
- 01
Open the tool
Click "Use CSV / Excel ↔ JSON Converter Free" above — no download or account required.
- 02
Enter your data
Paste or type your input directly in the browser. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
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